Metal + Dilute acid Salt + Hydrogen The above chemical reaction not occur with
(А) H.SO
(B) HCI
(C) HNO
(D) Both A and B
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Metals and Non-metals
Reaction with Acid
When a metal reacts with a diulte acid, salt and hydrogen gas are formed. Following is the general equation for this reaction.
Metal + dil. acid ⇨ Metal salt + Hydrogen
Reaction of Sodium with dilute Acid
When sodium reacts with dilute hydrochloric acid, then sodium chloride is formed and hydrogen gas evolves. Following equations shows this reaction.
2Na + 2HCl ⇨ 2NaCl + H2
Reaction of Potassium with dilute Acid
When potassium reacts with dilute sulphuric acid, then potassium sulphate and hydrogen gas are formed. Following equation shows this reaction.
2K + H2SO4 ⇨ K2SO4 + H2
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