MCQ Class 9 Science Exploration Chapter 9 Atomic Foundation of Matter

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1. Chemical bond is:

Question 1 of 20

2. Sodium forms:

Question 2 of 20

3. Chlorine forms:

Question 3 of 20

4. Oppositely charged ions attract due to:

Question 4 of 20

5. Ionic compounds form:

Question 5 of 20

6. Sodium chloride structure is:

Question 6 of 20

7. Ionic compounds are soluble in:

Question 7 of 20

8. Covalent compounds dissolve in:

Question 8 of 20

9. Ionic compounds conduct electricity in:

Question 9 of 20

10. Covalent compounds generally:

Question 10 of 20

11. Ionic compounds have:

Question 11 of 20

12. Covalent compounds have:

Question 12 of 20

13. Molecular mass is sum of:

Question 13 of 20

14. Molecular mass of H₂O is:

Question 14 of 20

15. Molecular mass of CO₂ is:

Question 15 of 20

16. Ionic compounds have:

Question 16 of 20

17. Formula unit mass of Na₂O is:

Question 17 of 20

18. Formula unit mass of Ca(NO₃)₂ is:

Question 18 of 20

19. Prefix “di” means:

Question 19 of 20

20. CO₂ is named:

Question 20 of 20


 

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