Government CDS Question:
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Which one of the following when dissolved in H2O gives hissing sound?
(A) Limestone
(B) Slacked lime
(C) Soda lime
(D) Quicklime

Government CDS Interview Question
Government CDS Interview Question

Answer:

(D) Quicklime

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In which one of the following is higher percentage of carbon found?
(A) Lignite coal
(B) Peat coal
(C) Bituminous coal
(D) Anthracite coal		The rusting of iron nail—
(A) decreases its weight
(B) increases its weight
(C) does not affect weight but iron is oxidized
(D) does not affect weight but iron is reduced