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Acids, Bases and Salts | Exercise

Question 3

Q3. What happens when an acid reacts with a metal?

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When an acid reacts with a metal, it produces a salt and hydrogen gas.

Example:

Zn+2HClZnCl2+H2\text{Zn} + 2\text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \uparrow

This is a single displacement reaction.

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5 (2x - 7) - 3 (2x + 3) ≤ 0 , 2x + 19 ≤ 6x + 47 . — NCERT Solution | LearnPrep