Chemistry MCQ

Online practice tests with multiple-choice questions in chemistry, often known as “Chemistry MCQs,” are designed to be analogous to those found in the ISSB’s Initial Skills and Knowledge Tests (Army, Navy, Air Force). Candidates need to have a comprehensive understanding of all chemistry principles and be able to identify the molecular formula of any substance. Exams typically include questions that test students’ ability to recognize formulas and correctly write chemical names.

Therefore, if you wish to do well on tests that contain questions connected to chemistry, we strongly advise that you complete all of the practice exams we have made available to you. The Multiple Choice Questions and Answers Practice (MCQs PRACTICE) website is an excellent resource for anyone who needs to refresh their general knowledge or prepare for an intelligence exam.

Chemistry MCQs Test

Students considering a medical career would be well advised to devote a significant amount of their time to answering multiple-choice questions (MCQs) in the discipline of chemistry. This test consists of multiple-choice questions about Chemistry.

Because “Prepare Yourself Well Always” is our slogan, this translates to the idea that you should never let your guard down. It would help if you made it a top priority to put in a lot of effort to study for every test you take. Because there is now greater competition in every field, it is more essential than ever for an individual to put up the effort required to succeed. We will begin with less knowledge to prepare pupils for examinations, but as time goes on, they will get more tests.

The purpose of our study guides is to provide students with the most valuable materials available. Because we know that many children do not have the financial means to pay for expensive tutoring services, we have made it possible for them to access a plethora of material on our website to better prepare for the impending standardized tests that they will be required to take.

Stay tuned because you will soon have access to more materials that may assist you in your academic endeavors. Because “Prepare Yourself Well Always” is our slogan, this translates to the idea that you should never let your guard down. It would help if you made it a top priority to put in a lot of effort to study for every test you take.

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Chemistry Quiz 1

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Which of the following is NOT correct about Alkynes?

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Which of the following is an example of colloidal solution?

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2x101325 Pa is equal to :

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Normal body temperature is :

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Identify the thermosetting plastic from the given options:

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Which of the following statements is correct about Diborane?

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Water Gas is a mixture of?

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Which of the following is correct about electrolytic refining?

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Which among the following element is an essential constituent of acids?

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Which of the following mixture can be separated by Fractional distillation  method?

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1 atm has how many pascals?

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Which of the following compounds is prepared using Contact Process?

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Which among the following would cause the bright red color due to bursting of crackers?

14 / 25

Double Sulphitation is the most commonly used method in India for  refining of _?

15 / 25

In which unit density of gases is measures?

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760 mmHg is equal to :

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Who among the following scientists had discovered Radium?

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Which of the following is not an ore of Zinc?

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Which of the following is NOT correct about Sodium chloride?

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Which of the following compound of sodium is generally prepared by  Solvay process?

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What is the unit of Stress?

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The vapour pressure of which 1iquid is 200mm Hg at 0°C?

23 / 25

The freezing point of n— octane is :

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Which among the following is responsible for depletion of Ozone?

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Which of the following is correct about Calcium oxide?

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Chemistry Quiz 2

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The temperature at which the solid and liquid phases of a substance co-exist:

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The conversion of a liquid into vapours at all temperature is called :

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It depends upon the nature of liquid, intermolecular forces and external  pressure :

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Matter exists in three physical states:

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Which one of the following gases diffuse most slowly?

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At which temperature rate of evaporation of water is minimum?

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The existence of solid in different physical forms is called:

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The molecular formula of decani is :

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Mass per unit volume is called:

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250°C is the transition temperature of which substance:

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The crystal structure of which tin is :

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Freezing point of acetic acid is:

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Plastics, glass rubber, lamp-black etc. are the examples of:

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At 0°C the density of 02 gas is:

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Pascal is the SI unit of:

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The transition temperature of tin is:

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—273°C after conversion to Kelvin scale becomes:

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Mass per unit volume is called:

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C61114 is the molecular formula of :

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The solids in which particles are arranged in definite three-dimensional pattern are called :

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The density of gold is:

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At a given temperature which of the following has maximum vapour pressure :

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VT = K is the mathematical form of:

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Charles described, how gases tend to expand when heated:

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Oxygen has two allotropic forms:

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Chemistry Quiz 3

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Which percentage of salt is required to kill the bacteria?

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Epoxy adhesives are stable to heat up to a temperature of :

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Which of the following expand or compressed easily :

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Gases exerts pressure in all directions :

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Which principle is used in working pressure cooker?

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The energy required to break the intermolecular forces between one mole of liquid hydrogen chloride molecule to convert into gas :

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The electronegativity of hydrogen atom is :

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The boiling point of alcohol is :

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The energy required to break the intermolecular forces between one mole of liquid hydrogen chloride molecule to convert into gas :

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The boiling point of water is :

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The density of water at 0°C is :

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The energy required to break the intermolecular forces between one mole of liquid hydrogen chloride molecule to convert into gas :

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The bond dissociation energy of H—Cl molecule :

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Diffusion is faster in:

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Red phosphorus is:

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Which molecule contains a single covalent bond?

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Every atom has a natural tendency to achieve electrons in its valence shell :

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The boiling point of NaC1 is :

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The density of ice at 0°C is:

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Which of the following is an example of covalent compound?

21 / 25

The density of gold is:

22 / 25

the energy required to break the chemical bond between hydrogen and chlorine atom in 1 mole of hydrogen chloride are :

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On the Pauling scale fluorine has been given an electronegative value of:

24 / 25

How many valence shell electrons are there in Na+ ion?

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The difference between electronegativities of hydrogen and fluorine :

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Chemistry Quiz 4

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Which scientist had given the idea of octaves in periodic table?

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Indicate which molecule is non-polar:

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Mark the molecule which possess four covalent bonds :

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In nonpolar covalent bond the bonded atoms share the electrons :

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Indicate which of the following has hydrogen bonding:

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Ise, 2s2, 2p2 is the electronic configuration of which atom :

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Energy requires to break forces of one  mole liquid HC1 molecule is :

8 / 25

Dipole-dipole interactions are :

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Epoxy is a polymer formed by the resin and  :

10 / 25

Covalent bond involves the :

11 / 25

A dative bond is formed between ammonia and boron trifluoride the donor atom is :

12 / 25

In polar covalent bonds molecules are :

13 / 25

Substance has the tendency to gain electrons and anions :

14 / 25

Which ionic species has same electronic configuration as noble gas Ar :

15 / 25

The density of ice at 0°C is :

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An ionic bond is formed when elements of group 1 react with elements of group:

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One form of polymer used industrially as an adhesive  :

18 / 25

The bond dissociation energy of H—Cl molecule :

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Which one of the following is an electron deficient molecule?

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Which one of the following is the weakest force among the atoms?

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Which one of molecule is maximum polar:

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Which atom after losing one electron attains electronic configuration of noble gas ?

23 / 25

Which properties are affected by hydrogen bonding :

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Triple covalent bond involves how many numbers of electrons?

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How many electrons are there in the outer most shell of Cl-atom after it gains one  electrons in its valence shell :

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Chemistry Quiz 5

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In 1860 correct atomic mass of elements were determined by:

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How many elements were arranged by Mendeleev in order of increasing atomic  masses ?

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32 elements are present in which period of periodic table?

4 / 25

Which one of the following halogens has highest electronegativity?

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Which force of attraction is present between positive and negative ions?

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Which of the following does not belong to 1st group?

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Lanthanide series start after:

8 / 25

How many periods are there in the modern periodic table?

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Element attaining eight electrons in its outermost shell are called  :

10 / 25

Mark the incorrect statement  :

11 / 25

Electronegativity of oxygen is:

12 / 25

Elements of group 18 are called:

13 / 25

Which one is the smallest among the following?

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For Boron Z = 5, it belongs to which block:

15 / 25

Every atom energy tries to attain :

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Point out among the following which has highest value of electron affinity :

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Point out the number of electrons in the valence shells of halogens:

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Elements of group I and group II have valence electrons in:

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Hydrogen acquires the electronic configuration like :

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ns2 is the general electronic configuration of:

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In which atom outermost electrons are highly shielded?

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The radius of carbon atom is:

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Number of elements placed in 6th period is:

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The force of attraction which holds the molecule atom together is called :

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A bond formed by the complete transfer of electron from one atom to other called :

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Chemistry Quiz 6

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It is the amount of energy released when an electron is added up in the outermost  shell of an isolated gaseous atom :

 

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The ionization energy of sodium is:

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The half of distance between the nuclei of the two bonded atoms is referred as:

4 / 25

Units of ionization energy are:

5 / 25

Which is the best reason for increasing ionization energy from left to right in a period?

6 / 25

Which one is the incomplete period in the periodic table?

7 / 25

According to the modern periodic law, the properties of the elements are periodic  function of their  :

8 / 25

There are total groups and periods in the modern periodic table:

9 / 25

Shielding effect is greater in atoms with greater number of:

10 / 25

Atomic number of K = 19. Its valence shell configuration is:

11 / 25

Which one of the halogens has the highest electro-negativity?

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Sixth and seventh periods are called:

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Zero group or noble gases have general electronic configuration :

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Keeping in view the size of atom, which order is the correct one?

15 / 25

The shielding effect of the inner electrons is responsible for:

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How many elements are there in 4th period of the periodic table?

17 / 25

Salts of sodium give:

18 / 25

The d-block elements lie between the blocks:

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In 5th period the elements have range from:

20 / 25

Halogens belong to group :

21 / 25

Sixth and seventh periods are called:

22 / 25

If we move from left to right in a period, the value of ionization energy:

23 / 25

Which scientist had given the idea of octaves for the arrangement of elements?

24 / 25

Which element exists in liquid form at room temperature?

25 / 25

5-f series of inner transition elements are called:

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Chemistry Quiz 7

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Alpha particles are basically nucleus of:

2 / 25

Isotopes have different number of:

3 / 25

Quantum means:

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Canal rays travel in a straight line in a direction to cathode rays  :

5 / 25

Canal rays carry:

6 / 25

Which one of the followings has only one neutron in its nucleus?

7 / 25

Which one of the shells contains f—subshells?

8 / 25

Which one is the electronic configuration of Cl-'?

9 / 25

Neil Bohr won the noble prize in:

10 / 25

N-shell can accommodate a maximum of   electrons :

11 / 25

Co-60 is the source of:

12 / 25

Beta radiations are emitted by:

13 / 25

Which one is the electronic configuration of sulphur?

14 / 25

Plum pudding model was put forwarded by:

15 / 25

Which one of the followings results in the discovery of proton?

16 / 25

The subshells of M-shell are:

17 / 25

Deuterium is used to make:

18 / 25

Rutherford, Moseley, Bohr, and other scientists performed experiments and revealed that:

19 / 25

Rutherford won Nobel prize in:

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Nature of gas present in discharge tube affects the nature of:

21 / 25

Which one is the electronic configuration of Cl-'?

22 / 25

The value of Planck's constant is:

23 / 25

Energy of N-shell is more than the energies of:

24 / 25

The concept of orbit was introduced by:

25 / 25

To produce cathode rays the pressure of gas inside the discharge tube  was kept :

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Chemistry Quiz 8

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Which one of the followings is tri atomic molecule?

2 / 25

Which one of the followings has sharp and fixed melting point?

3 / 25

The compound which has same empirical formula is:

4 / 25

CaO is the chemical formula of:

5 / 25

The number of neutrons in 92U238 is :

6 / 25

Which of the followings shows variable valency?

7 / 25

An atom or group of atoms having odd number of electrons is called:

8 / 25

How many elements occur naturally?

9 / 25

Mass of an electron is:

10 / 25

Total number of elements which have been discovered till now are :

11 / 25

Number of moles x6.02 x1023 is equal to :

12 / 25

Which one of the following elements is found most abundantly in the earth crust?

13 / 25

It is a liquid element at room temperature :

14 / 25

The symbol for nitride radical is:

15 / 25

The total number of ions in one mole of NaC1 is:

16 / 25

The formula mass of K2SO4 is :

17 / 25

Which one of the followings is a reactive species?

18 / 25

The formula mass of an ionic compound expressed in grams is called :

19 / 25

Soil is the symbol of which one of the following :

20 / 25

Mass of proton is equivalent to:

21 / 25

Chemical formula of washing soda is:

22 / 25

An atom or group of atoms having positive charge on it is called :

23 / 25

Which element is found in liquid state?

24 / 25

Which one of the followings shows the simplest whole number ratio of atoms in a  substance?

25 / 25

The third abundant gas found in the atmosphere is :

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Chemistry Quiz 9

1 / 25

Matter is composed of tiny indivisible particles called:

2 / 25

Which of the followings shows variable valency?

3 / 25

Which one of the followings is a reactive species?

4 / 25

It is a liquid element at room temperature :

5 / 25

Which one of the followings is tri atomic molecule?

6 / 25

Which one of the following elements is found most abundantly in the earth crust?

7 / 25

Number of moles x6.02 x1023 is equal to :

8 / 25

The formula mass of an ionic compound expressed in grams is called :

9 / 25

An atom or group of atoms having positive charge on it is called :

10 / 25

How many elements occur naturally?

11 / 25

Chemical formula of washing soda is:

12 / 25

Mass of proton is equivalent to:

13 / 25

The third abundant gas found in the atmosphere is :

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Which one of the followings has sharp and fixed melting point?

15 / 25

Mass of an electron is:

16 / 25

An atom or group of atoms having odd number of electrons is called:

17 / 25

Total number of elements which have been discovered till now are :

18 / 25

CaO is the chemical formula of:

19 / 25

The symbol for nitride radical is: