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1281. What are soaps ?

A. Salts of silicates

B. Esters of heavy fatty acids

C. Sodium or potassium salts of havier fatty acids

D. Mixture of glycerol and alcohols

Explanation:

1282. A deuterium nucleus consists of :

A. one proton and two electrons

B. one proton and one neutron

C. one proton and three neutrons

D. one neutron and two protons

Explanation:

1283. Which of the following is used as a filler in rubber tyres ?

A. Graphite

B. Coal

C. Coke

D. Carbon black

Explanation:

1284. Which variety of glass is heat resistant ?

A. Hard glasses

B. Flint glass

C. Pyrex glass

D. Bottle glass

Explanation:

1285. Which of the following animals tesembles most to human beings in terms of physical and mental capabilities ?

A. Langur

B. Rhesus monley

C. Gorilla

D. Chimpanzee

Explanation:

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