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Chemistry Fundamental Concepts Online Quiz Test MCQs

Given on this page is a free online quiz which includes important questions and answers about the fundamental concepts of Chemistry. All the individuals who want to improve their general knowledge or are currently preparing for any written exam related to this subject can now do so with ease by using our tests as a guide.

Chemistry Fundamental Concepts Online Quiz Test MCQs


1. An ion having negative charge is called:

Question 1 of 15

2. Atoms can be evident by the use of electron microscope. field ionization microscope and:

Question 2 of 15

3. Determination of atomic masses and invention of system of writing symbols was made by:

Question 3 of 15

4. A limiting reactants is one:

Question 4 of 15

5. The branch of chemistry which deals with quantitative relationship between reactants and products in a balanced chemical equation is called:

Question 5 of 15

6. The number of subatomic particles in atoms so far discovered is more than:

Question 6 of 15

7. The mass of one mole of iodine:

Question 7 of 15

8. Covalent compounds mostly exist in the form of:

Question 8 of 15

9. The reasons for less experimental yield than theoretical yield are reversible reaction, side reaction and:

Question 9 of 15

10. First atomic theory was put forward by an English school teacher:

Question 10 of 15

11. Atoms and molecules can either gain or lose electrons, forming charged particles called:

Question 11 of 15

12. The calculations based on stoichiometry are known as:

Question 12 of 15

13. Swedish chemist J. Berzelius determined:

Question 13 of 15

14. Non-metals tend to gain electrons, becoming:

Question 14 of 15

15. Metals tends to lose electrons, becoming:

Question 15 of 15


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  1. Mass of one mole of iodine is 254g not 245g. (127*2=254g)

  2. i got 90 percent marks

  3. i got 80% marks

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  5. I got 93%.

  6. I got 100% Marks In this quiz

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