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An inorganic salt (A) is decomposed at a...

An inorganic salt (A) is decomposed at about 523 K to give products (B) and (C).Compounds (C) is a liquid at room temperature and is neutral to limus paper while oxide (B) on burning with white phosphorous given a dehydrating agent (D). Compounds (A),(B),(C) and (D) will be identified as

A

`NH_(4)NO_(3),N_(2)O, H_(2)O`

B

`NH_(4)NO_(2),N_(2)O,H_(2)O`

C

`CaCO_(3),CaO,H_(2)O`

D

`CaO, CaCO_(3),H_(2)O`

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The correct Answer is:
A
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