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

  • paint
  • aluminium
  • brass
  • gun powder

Answer: Option D

Explanation:

gun powder is the mixture of potassium nitrate powdered charcoal and sulphur.

Similar Questions :

1. Washing soda is ?

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

Answer: Option C

2. Which one of the following is the softest?

  • sodium
  • iron
  • aluminium
  • lithium

Answer: Option A

3. Enzymes are

  • Fatty acids
  • Carbohydrates
  • Nucleic acids
  • Proteins

Answer: Option D

4. Which is not a type of elements ?

  • Metals
  • Non Metals
  • Metalloids
  • Gases

Answer: Option D

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

  • Aluminium
  • Nitrogen
  • Silicon
  • Oxygen

Answer: Option D

Read more from - Chemistry Questions Answers
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