
Q1.€€€€€€€€€ A student does an experiment to examine the rate of reaction between magnesium and She adds 25 cm³ of the acid …
Q12.€€€€€€€€€ Calcium carbonate reacts with nitric acid to produce carbon dioxide. CaCO 3 € +€ 2HNO 3 → Ca(NO 3) 2 € +€ H 2 O€ +€ CO 2 €€€€€€€€€ A 10 g lump of calcium carbonate was reacted with 20 cm3 of dilute nitric acid. When the reaction was