Question

500 g of impure sample of CaCO3, on heating gives 70 g of CaO. Percentage impurities in sample is

(A) 25%
(B) 50%
(C) 75%
(D) 80%​

Answer 1

Answer:

(C) 75%

Explanation:

Your answer will be 75%

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Answer 2

Answer:

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