Question Detail

What is a mixture of potassium nitrate powdered charcoal and sulphur called?

  • paint
  • aluminium
  • brass
  • gun powder
Similar Questions :

1. How many different oxides are formed by nitrogen ?

  • two
  • three
  • four
  • five

2. Iodine can be separated from a mixture of Iodine and Potassium Chloride by ?

  • Filtration
  • Sublimation
  • Distillation
  • Sedimentation

3. What is the hardest form of carbon ?

  • coke
  • graphite
  • charcoal
  • diamond

4. The most abundant element in the earth's crust is ?

  • Aluminium
  • Nitrogen
  • Silicon
  • Oxygen

5. Washing soda is ?

  • sodium sulphite
  • sodium bicarbonate
  • sodiun carbonate
  • sodium biosulphite
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