Question Detail

Atomic number is equal to

  • Number of electrons
  • Number of nutron
  • Number of protons
  • Total number of protons and neutrons

Answer: Option C
Similar Questions :

1. 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.

2. Rare gases are

  • mono atomic
  • di atomic
  • tri atomic
  • None of above

Answer: Option A

Explanation:

Rare gases are mono atomic.

3. Bleaching action of chlorine is by

  • decomposition
  • hydrolysis
  • reduction
  • oxidation

Answer: Option A

4. Which of the following is produced during the formation of photochemical smog ?

  • Nitrogen Oxides
  • Hydrocarbons
  • Methane
  • Ozone

Answer: Option D

5. Acids taste

  • Sour
  • Sweet
  • May be both
  • None of both

Answer: Option A

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