Quiz on Metals and Non-Metals (General Science)

1. Why is copper used for electrical wiring in our houses?

2. Why does a copper vessel shine again after scrubbing?

3. What is meant by corrosion?

4. Why are ornaments generally not made from 24-carat gold?

5. Why are ships painted at frequent intervals?

6. Why are gold and platinum called noble elements?

7. What are properties of metals?

8. Which metal is used in thermometer?

9. Which is an alloy of iron, carbon, nickel, chromium?

10. Which metals are contained in bronze?

11. Which gas is released when metals react chemically with acids?

12. What is formed when a metal combines with oxygen?

13. Which non-metal is used in gun powder?

Originally posted 2015-11-24 11:25:48.