eVidyarthi

MCQ Chapter 7 General Science Class 8 Maharashtra Board

MCQ For All Chapters – General Science Class 8

Metals and Nonmetals

1. Which metal is used to plate iron to prevent corrosion?

Question 1 of 20

2. What is an alloy?

Question 2 of 20

3. Which metals are used to make the alloy bronze?

Question 3 of 20

4. Why has the iron pillar near Qutub Minar not rusted for 1500 years?

Question 4 of 20

5. Which property of metals is used in making school bells?

Question 5 of 20

6. Which nonmetal is the hardest natural substance?

Question 6 of 20

7. What is the percentage of gold in 18 carat gold?

Question 7 of 20

8. Which metal reacts with cold water to produce hydrogen gas?

Question 8 of 20

9. What is the electronic configuration of magnesium (Mg)?

Question 9 of 20

10. Which nonmetal does not react with dilute acids?

Question 10 of 20

11. What is used to prevent corrosion of metals?

Question 11 of 20

12. Which noble metal has antibacterial properties?

Question 12 of 20

13. Why is the nail in test tube 2 not rusted?

Question 13 of 20

14. Why is the nail in test tube 1 highly rusted?

Question 14 of 20

15. What is the use of ductility in everyday life?

Question 15 of 20

16. Which metal is neither a good conductor of heat nor electricity?

Question 16 of 20

17. What is the color of sulphur?

Question 17 of 20

18. Which alloy is used to make stainless steel utensils?

Question 18 of 20

19. Why are copper and brass vessels cleaned with lemon?

Question 19 of 20

20. What is the odd term among gold, silver, iron, and diamond?

Question 20 of 20