Question Detail

Washing soda is ?

  • sodium sulphite
  • sodium bicarbonate
  • sodiun carbonate
  • sodium biosulphite
Similar Questions :

1. Which have the maximum density ?

  • Water
  • Benzene
  • Ice
  • Chloroform

2. The isotope atoms differ in ?

  • number of neutrons
  • atomic number
  • number of electrons
  • atomic weight

3. The ejection of electrons when a metal surface is irradiated is known as

  • Black body radiation
  • Photoelectric effect
  • Zeeman effect
  • Atomic spectrum

4. Which gas is used in fire extinguishers ?

  • Carbon dioxide
  • Nitrogen oxide
  • Carbon monoxide
  • Sulpher dioxide

5. What among following is used to produce artificial rain ?

  • copper oxide
  • carbon monoxide
  • silver iodide
  • silver nitrate
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