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Question Detail

Washing soda is ?

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

Answer: Option C

Similar Questions :

1. Which gas is used to manufacture vanaspati from vegetable oil is

  • carbon dioxide
  • nitrogen
  • oxygen
  • hydrogen

Answer: Option D

2. Brass is an alloy of ?

  • Copper and Tin
  • Copper and Zinc
  • Copper and Aluminium
  • Iron and Copper

Answer: Option B

3. Atomic number is equal to

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

Answer: Option C

4. What is extracted from Bauxite ?

  • Mica
  • Aluminium
  • Copper
  • Tin

Answer: Option B

5. Contact lenses are made from ?

  • Polyvinyl chloride
  • Teflon
  • Polystyrene
  • Lucite

Answer: Option A

Read more from - Chemistry Questions Answers
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