Chemistry Quiz For SSC CHSL And FCI Exam

1.The chemical name of rat poison is

(1). Zinc oxide

(2). Potassium cyanide

(3). Lead nitrate

(4). Zinc phosphide

2. Which of the following pairs is NOT correctly matched?

(1). Haematite : Copper

(2). Bauxite : Aluminium

(3). Monazite : Thorium

(4). Pitchblende : Uranium

3. Which of the following is used for refrigeration ?

(1). Sulphur dioxide

(2). Chlorine

(3). Freon

(4). Phosphine

4. Which of the following is used denature ethanol?

(1). Methyl alcohol 

(2). Propyl alcohol

(3). Phenol

(4). Methane

5. The main constituent of natural gas is

(1). Methane

(2). Ethane

(3). Butane

(4). Propane

6. Among the following ,which is always found in free-state in nature?

(1). Gold

(2). Silver

(3). Sodium

(4). Copper

7. The depletion of Ozone layer is due to

(1). Chloro fluoro carbon

(2). Carbon dioxide

(3). Sulphur dioxide

(4). ethane

8. In vulcanisation process,rubber can be hardened by adding

(1). Nitrogen

(2). Silicon

(3). Sulphur

(4). Alcohol

9. Urea is a

(1). Sodium fertilizer

(2). Phosphatic fertilizer

(3). Nitrogenous fertilizer

(4). Potassium fertilizer

10. Solder is an alloy of

(1). Lead,zinc

(2). Copper,lead

(3). Tin,lead

(4). Sodium,lead

Note : Answers will be updated soon...............