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General Science - Questions and Answers

Practice questions on General Science.

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701. Gypsum is added to cement clinker to
A. increase the tensile strength of cement
B. bind the particles of calcium silicate
C. decrease the rate of setting of cement
D. facilitate the formation of colloidal gel
Explanation:
702. Which of the following is used as a filler in rubber tyres ?
A. Graphite
B. Coal
C. Coke
D. Carbon black
Explanation:
703. Which of the following fibres is least prone to fire ?
A. Rayon
B. Nylon
C. Cotton
D. Terycott
Explanation:
704. In a normal human being, food takes about ............ hours to reach the end of the intestine for complete absorption.
A. 4
B. 8
C. 12
D. 16
Explanation:
705. Which of the following are true regarding a catalyst ?
A. It is a substance which increases the rate of reaction.
B. It is a substance which reduces the activation energy.
C. It is a substance which increases the activation energy.
D. It is a substance which is consumed in the reaction.
Explanation:
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