On reaction with dilute HCl , which of the following pair of metals will evolve hydrogen gas ?
CBSE Class 10 Science PYQ · Metals and Non-metals · Reactivity series · 1 Mark · March 2026 · Standard
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191 Mark · March 2026 · Standard
On reaction with dilute $\ce{HCl}$, which of the following pair of metals will evolve hydrogen gas ?
- (a)copper and zinc
- (b)copper and iron
- (c)silver and magnesium
- (d)magnesium and aluminium
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(D)/ magnesium and aluminium (1 Mark)