Which of the substances, the formulas of which are given, react with hydrochloric acid; a) CuO; b) Cu; c) Ca (OH) 2;

univerkov | December 30, 2020 | education

Which of the substances, the formulas of which are given, react with hydrochloric acid; a) CuO; b) Cu; c) Ca (OH) 2; d) Ag; e) Al (OH) 3?

a) CuO + 2HCl + CuCl2 + H2O
c) Ca (OH) 2 + 2HCl = CaCl2 + H2O
e) Al (OH) 3 + 3HCl = AlCl3 + 3H2O
Answer: reacts with a) CuO, c) Ca (OH) 2, e) Al (OH) 3

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