Which of the following Chemicals is Known as Saltpeter?

  1. Calcium Nitrate
  2. Potassium Nitrate
  3. Sodium Nitrate
  4. Potassium Chloride
Monis Rasool Professor Asked on 12th July 2015 in Chemistry.
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    Answer: (2) Potassium Nitrate

    RE: Which of the following Chemicals is Known as Saltpeter?


    Potassium Nitrate chemical is known as Saltpeter. It is a critical component of gunpowder and a food preservative.
    About Saltpeter –
    Chemical formula – KNO3
    Molar mass  – 101. 1032 g/mol
    Density –  2.109 g/cm cube.
    Melting point – 334 degree centigrate
    Boiling point – 400 degree centigrate
    It is lightly soluble in cold water but very soluble in hot water.

    Anurag Mishra Professor Answered on 14th July 2015.
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