JEE Main Chemistry question

A student states that heating of limestone is an oxidation process; the reason given is that an oxide of the metal is produced on heating. Which one is correct?

(A)The statement and reason are both true
(B)The statement and reason are both wrongCorrect
(C)The statement is true but the reason is false
(D)None of the above

Answer: (B)

Solution

is a simple thermal decomposition; calcium remains at +2 throughout, so no oxidation occurs. The statement is false, and the

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Question ID VK-136847