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Alkali Metals

State one obs...

Question

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

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Solution

Zinc oxide is formed with the liberation of oxygen and nitrogen dioxide gas. Oxygen is a colourless odourless gas which is neutral to litmus whereas nitrogen dioxide is a brown coloured gas.It has irritating pungent odour. It turns moist blue litmus red.

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