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1. Which oxide is neutral?

A Carbon monoxide

B Sulphur dioxide

C Zinc oxide

D Calcium oxide

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

A Nickel

B Iron

C Platinum

D Copper

3. Which salt is prepared by neutralization reaction?

A Sodium chloride

B Calcium carbonate

C Sodium sulfate

D All of these

4. Theoretical yield is:

A Actual amount obtained

B Maximum possible amount

C Minimum possible amount

D Average yield

5. Which petroleum fraction is used as lubricating oil?

A Kerosene

B Diesel

C Heavy oil fraction

D Refinery gas

6. A physical change is one in which:

A New substance is formed

B Mass is destroyed

C No new substance is formed

D Energy is released only

7. Matter is mainly classified into how many categories?

A One

B Two

C Three

D Four

8. Amphoteric oxides react with:

A Only acids

B Only bases

C Both acids and bases

D Neither acids nor bases

9. Which polymer is commonly used in water pipes?

A Polythene

B PVC

C Nylon

D Teflon

10. Which reactant remains unconsumed after reaction completion?

A Limiting reactant

B Catalyst

C Non-limiting reactant

D Product

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