Correct Answer - A
(A) `underset("10 g")underset("100 g") (CaCO_(3))overset(Delta)to CaCO + underset("0.224L")underset("22.4 L")(CO_(2))`
(B) `underset("1.06g")underset("1 mol (106g)")(Na_(2)CO_(3))+ 2HCl to 2NaCl + H_(2)O+ underset("0.224 L")underset("22.4L")(CO_(2))`
(C) `underset("12g")underset("2.4g")(C) + O_(2) to underset("0.448L")underset("22.4L")(CO_(2))`
(D) `underset("0.56 g")underset("28 g")(CO) + (1)/(2)O_(2) to underset("0.448L")underset("22.4 L")(CO_(2))`
