4. What information does the following chemical equations convey?
(a) Zn +H2SO → ZnSO4 +H2
(b) Mg + 2HCl → MgCl2 +H2
Answers
Answered by
2
Answer:
(a) when sulphuric acid is added into metal zinc it produces zinc sulphate and liberates hydrogen gas
(b) when hydrochloric acid is added to metal magnesium it produces magnesium chloride and liberates hydrogen gas
Answered by
1
Answer:
Metal + Dilute Acid ------> Metal Salt + H2 Gas (a)
Explanation:
When metals reacts with acid there is formation of metal salt & evolution of (H) hydrogen gas.
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