Which of the following is Indian saltpetre?

Which of the following is Indian saltpetre?
  1. $\mathrm{NaNO}_3$
  2. $\mathrm{KNO}_3$
  3. $\mathrm{CsNO}_3$
  4. $\mathrm{Mg}\left(\mathrm{NO}_3\right)_2$

Solution

Potassium nitrate $\left(\mathrm{KNO}_3\right)$ is called as Indian saltpetre. This is because it is one of the nitrogen containing compound and is very important as a crude salt in India. It is also called niter.

Asked in: AP EAMCET 2022 (07 Jul Shift 1)

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