ASSERTION: Calcium carbonate on heating breaks into Calcium Oxide and Cabon dioxide gas. REASON: Calcium carbonate is a base.
Question
(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.
(e) Both A and R are false.
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Class 10 science
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2021-12-06T14:04:00+00:00
2021-12-06T14:04:00+00:00 1 Answer
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Answer ( 1 )
Answer. (B) If both assertion and
reason are CORRECT, but the reason
is NOT THE CORRECT explanation of
the assertion.
CaCO₃ breaks due to thermal
decomposition and it is an endothermic
reaction.