Question

give the rate of sold today for several how much and gram how much?

Answer 1

Step-by-step explanation:

The answer of your question is given above

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Answer 2

During lightning discharge, the nitrogen present in the atmosphere reacts with oxygen to form nitric oxide.

selina-icse-solutions-class-10-chemistry-nitric-acid-2

The nitrogen dioxide dissolves in atmospheric moisture in the presence of oxygen of the air and forms nitric acid which is washed down by the rain and combines with the salt present on the surface of the earth.

4NO2 + 2H2O + O2 → 4HNO3