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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. Atomic number of an element gives

  • the number of nucleons in its atom
  • the number of electrons in its atom
  • the weight of the atom of the element
  • the total number of elementary particles in its atom

Answer: Option B

2. Which metal is heaviest ?

  • osmium
  • mercury
  • iron
  • nickle

Answer: Option A

3. Which one of the following is the softest?

  • sodium
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  • aluminium
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Answer: Option A

4. The single acid which dissolves gold is ?

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  • Hydrochloric acid
  • Nitric acid
  • Selenic acid

Answer: Option A

5. Which one is an organic Acid ?

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  • Citric
  • Nitric
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Answer: Option B

Read more from - Chemistry Questions Answers
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