Question

what will happen when zinc granules react with concentrated sodium hydroxide?​

Answer 1

Answer:

This is the reaction:

$NaOH(aq) + Zn(s) → Na_2ZnO_2(aq) + H_2(g)$

Explanation

When zinc metal react with sodium hydroxide as a reactants, it forms Sodium zincate and releases hydrogen gas as a products. Hydrogen gas releases very highly. It becomes exothermic in nature.

Answer 2

Answer:

catches fire in presence of hydrogen

zinc granules sink in the solution but with the bubbles of hydrogen it attach and float on water.....

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