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MCQ Chapter 13 General Science Class 8 Maharashtra Board

MCQ For All Chapters – General Science Class 8

Chemical Change and Chemical Bond

1. Which change is classified as chemical in the document?

Question 1 of 20

2. What indicates a chemical change in spoiled food?

Question 2 of 20

3. What is the purpose of the arrow in a chemical equation?

Question 3 of 20

4. Which natural process involves glucose reacting with oxygen?

Question 4 of 20

5. What precipitate forms when CO₂ reacts with lime water?

Question 5 of 20

6. What is the main reactant in photosynthesis?

Question 6 of 20

7. Which of the following is a man-made chemical change?

Question 7 of 20

8. What happens to calcium carbonate in Shahabad tile when cleaned with HCl?

Question 8 of 20

9. What type of bond does fluorine form with potassium in KF?

Question 9 of 20

10. What is the valency of oxygen in H₂O?

Question 10 of 20

11. Which observation is NOT typically associated with a chemical change?

Question 11 of 20

12. What is the product of the reaction between calcium chloride and sodium carbonate?

Question 12 of 20

13. Why do noble gases not form chemical bonds?

Question 13 of 20

14. How many electrons does chlorine gain to form Cl⁻ in NaCl?

Question 14 of 20

15. What type of bond is represented by a dash between two atoms?

Question 15 of 20

16. What is the electronic configuration of magnesium before forming MgCl₂?

Question 16 of 20

17. Which process is described as fast and irreversible in the document?

Question 17 of 20

18. What does the disappearance of baking soda in lemon juice indicate?

Question 18 of 20

19. What is the valency of an ion based on?

Question 19 of 20

20. Which compound is ionic according to the document?

Question 20 of 20

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