Chemistry Class 11 Question Answer & Video

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Laws of Chemical Combination

Some Basic Concepts Of Chemistry Q – 1.13, CBSE Class 11th Chemistry

Video For All Chapters Chemistry Class 11

Some Basic Concepts Of Chemistry Q – 1.14, Chemistry Class 11th

Some Basic Concepts Of Chemistry Q – 1.15, Class 11 Chemistry NCERT

Some Basic Concepts Of Chemistry Q – 1.16, CBSE Class 11th Chemistry

Some Basic Concepts Of Chemistry Q – 1.17, Class 11th Chemistry

Some Basic Concepts Of Chemistry Q – 1.18, Chemistry Class 11th

Some Basic Concepts Of Chemistry Q – 1.19, Class 11th Chemistry

Some Basic Concepts Of Chemistry Q – 1.20, NCERT Class 11th Chemistry


1. There will be total 15  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Which law is also known as Law of constant composition?

Question 1 of 15

2. According to Dalton's atomic theory chemical reactions involve:

Question 2 of 15

3. 100mL of gaseous hydrogen combines with 50mL of gaseous oxygen to give 100mL of water vapours. This can be explained on the basis of:

Question 3 of 15

4. According to the Avogadro's law, equal volumes of gases at the same temperature and pressure should contain:

Question 4 of 15

5. The distinction between atoms and molecules was made by:

Question 5 of 15

6. Law of definite proportions is given by:

Question 6 of 15

7. According to Avogadro's law at the same temperature and pressure:

Question 7 of 15

8. Law of constant composition does not hold good for:

Question 8 of 15

9. Laws of chemical combinations can be explained on the basis of:

Question 9 of 15

10. What is incorrect about the Law of conservation of mass?

Question 10 of 15

11. A statement which is not a part of Dalton's atomic theory is:

Question 11 of 15

12. Natural sample of cupric carbonate contains 51.35% of copper, 9.74% of oxygen and 38.91% of carbon. Synthetic sample of the compound will contain:

Question 12 of 15

13. A compound prepared by any method contains the same elements in the fixed ratio by mass. The given statement is known as:

Question 13 of 15

14. At what conditions Gay Lussac's law of gaseous volumes is considered?

Question 14 of 15

15. Law of conservation of mass was given by:

Question 15 of 15

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