Unit#7: Nitrogen, Sulphur and Metals

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1. Which gas is released during the reaction of zinc with dilute sulphuric acid?

A Oxygen

B Hydrogen

C Nitrogen

D Sulphur dioxide

2. Haber’s process is used for the manufacture of:

A Nitric acid

B Ammonia

C Urea

D Sulphuric acid

3. Which catalyst is used in Haber’s process?

A Platinum

B Iron

C Copper

D Nickel

4. Which metal is commonly extracted by electrolysis?

A Iron

B Copper

C Aluminium

D Zinc

5. Which substance acts as a promoter in Haber’s process?

A Aluminium oxide

B Copper

C Zinc

D Nickel

6. Which metal reacts with dilute acids but not with water?

A Sodium

B Potassium

C Iron

D Calcium

7. The reactivity series helps in predicting:

A Atomic mass

B Metal displacement reactions

C Color of metals

D Density of metals

8. Which metal reacts slowly with cold water?

A Sodium

B Potassium

C Calcium

D Iron

9. Which metal reacts with steam but not with cold water?

A Sodium

B Calcium

C Iron

D Potassium

10. Which metal is used as a catalyst in Haber’s process?

A Nickel

B Iron

C Platinum

D Copper

Unit#7: Nitrogen, Sulphur and Metals

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