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General Science - Questions and Answers

Practice questions on General Science.

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816. The colour of an opaque object is due to the colour it
A. absorbs
B. reflects
C. refracts
D. scatters
Explanation:
817. Find the odd one :
A. Marble
B. Chalk
C. Limestone
D. Slaked lime
Explanation:
818. The device used to convert alternating current into direct current is
A. ammeter
B. galvanometer
C. rectifier
D. transformer
Explanation:
819. To a space traveller on moon, the lunar sky during day time appears
A. white
B. blue
C. red
D. black
Explanation:
820. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : Dry battery cannot be recharged. 2. Reason (R) : The chemical reaction is reversible.
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:
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