MCQ on Chemistry

1.Drinking soda

A. Alkaline

B. Acidic

C.Neutral

D.oxidant

Ans:B.Acidic

2.Which among the following is called laughing gas popularly?

A. Nitrogen Pentoxide

B.Nitrogen

C. Nitrous Oxide

D. Nitric Oxide

Ans: C. Nitrous Oxide

3. Which chemical compound is commonly known as ‘washing soda’?

A.Sodium Carbonate

B.Copper sulphate

C.Calcium sulphate

D.Calcium carbonate

Ans:A.Sodium Carbonate

4. Cassiterite is the chief ore of

A. Tin

B.Lead

C.Mercury

D.Zinc

Ans:A. Tin

5. Corundum is a mineral of

A. Calcium

B.Gold

C.Iron

D.Aluminium

Ans: D.Aluminium

6. Chemical name for Baking soda

A. Citric acid

B.Sodium bicarbonate

C.Sodim sulphate

D.Zinc Sulphate

B.Sodium bicarbonate

7. Marble is a form of

A . calcium oxide

B.calcium silicate

C.calcium hydroxide

D. calcicum carbonate

D. calcium carbonate

8. Which chemical is Salt of Hartshorn 

A.Calcium Phosphate

B. Ammonium carbonate

C.Sodium Chloride

D.Potassium

Ans: B. Ammonium carbonate

9. Which of the following chemicals is as Saltpeter?

A.Sodium nitrate

B.calcium nitrate

C.potassium nitrate

D.potassium chloride

Ans:D.potassium chloride

10.Dry ice

A. water

B. ethanol

C. carbon dioxide

D.carbon monoxide

Ans:C. carbon dioxide