Chemistry quiz For UPSC | SSC | Rail | RRB | State PSC | class 10 icse P16

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Page 16

90103151. The cathode of a lead storage battery is made up of

A

Zinc

B

Lead

C

Lead oxide

D

Manganese dioxide

B

Correct Answer: B. Lead

90189152. Which of these acids is not organic in origin?

A

Lactic acid

B

Sulphuric acid

C

Citric acid

D

Oxalic acid

B

Correct Answer: B. Sulphuric acid

90080153. Preparation of 'Dalda or Vanaspati' ghee from vegetable oil utilizes the following process :

A

Hydrolysis

B

Oxidation

C

hydrogenation

D

Ozonolysls

C

Correct Answer: C. hydrogenation

90033154. Detergents are

A

Sodium salts of fatty acids

B

Sodium salts of sulphonic acids

C

Sodium salt of benzoic acid

D

None of the above

B

Correct Answer: B. Sodium salts of sulphonic acids

90198155. Which one of the following minerals are found in Monazite sand?

A

Potassium

B

Uranium

C

Thorium

D

Sodium

C

Correct Answer: C. Thorium

90142156. The Refrigerant 'FREON' is

A

Calcium Tetra Fluoride

B

Difluoro Dichloro Methane

C

Fluorspar and Felspar

D

Hydrofluosilicic Acid

B

Correct Answer: B. Difluoro Dichloro Methane

90172157. Which of the following contains high content of lead?

A

Coal

B

Cooking gas

C

High octane fuel

D

Low octane fuel

C

Correct Answer: C. High octane fuel

90091158. Solder is an alloy of

A

lead, zinc

B

copper, lead

C

tin, lead

D

sodium, lead

C

Correct Answer: C. tin, lead

90133159. The noble gas used in radiotherapy is

A

neon

B

argon

C

radon

D

xenon

C

Correct Answer: C. radon

90049160. Glycol is added to aviation gasoline because it

A

reduces evaporation of petrol

B

increases the efficiency of petrol

C

prevents freezing of petrol

D

reduces the consumption of petrol

C

Correct Answer: C. prevents freezing of petrol

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