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Chemistry

State one observation for the following: Zinc nitrate crystals are strongly heated.

Nitric Acid

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Answer

Reddish brown nitrogen dioxide gas is evolved on heating zinc nitrate crystals.

2Zn(NO3)2Δ2ZnO+O2+4NO22\text{Zn(NO}3)2 \xrightarrow{\Delta} 2\text{ZnO} + \text{O}2 + 4\text{NO}2

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