Take a few granules in a conical flask or a tesy tube . Add dilute hydrochloric acid or suphuric acid to this .Touch the conical flask or test tube ,is there any change in its temperature?
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5
Yes if it is metal than acid reacts with itand heat it is evolved. Temperature will increase slightly.
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2
Answer:
Yes there is a temperature change
Explanation
Zn+2 HCl -> ZnCl2 +H2
●If a metal reacts with acid then heat is produced
●Hydrogen gas is liberated
●The temperature increases
●This is a displacement reaction
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