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General Science - Questions and Answers

Practice questions on General Science.

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491. The material used for bleaching paper pulp is
A. Chlorine
B. Caustic soda
C. Sodium hypochlorite
D. Lime
Explanation:
492. A needle made of steel floats on water if it is placed horizontally because of
A. Viscosity
B. Surface tension
C. Capillary action
D. None of these
Explanation:
493. Which of the following gases is present under pressure in soft drinks ?
A. Carbon dioxide
B. Oxygen
C. Nitrous oxide
D. Nitrogen
Explanation:
494. The bill for electricity consumption is based on the measurement of
A. current
B. voltage
C. wattage
D. None of these
Explanation:
495. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : The presence of oxygen is necessary for a given gas to become inflammable.Reason (R) : Oxygen is inflamable.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation: