Question

Some bubbles are seen when lead reacts with acid. give reason.

Answer 1

Answer:

The temperature of the reaction mixture rises when aluminum is added because it is an exothermic reaction. ..

When lead is treated with hydrochloric acid , bubbles of hydrogen gas are evolved.

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Answer 2

Answer:

the temperature of the reaction mixture rises when aluminum is added because it is an exothermic reaction. reaction of sodium metal is found to be highly explosive because it is an exothermic reaction