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a)Some chemicals are given in the box .f...

a)Some chemicals are given in the box .find out the substances required for the preparation of nitrogen in laboratory.
b) Write the chemical equation for this experiment.
[Hydrochloric acid, Sodium nitrate, zinc, potassium permanganate, Ammonium chloride, water]

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a) Ammonium chloride, Sodium nitrate
b) .NH_4Cl + NaNO_2 rarr NG_4NO_2 + NaCl.
.NH_4NO_2 rarr N_2 + 2H_2O.
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