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The chemical used as a fixer in photography is ?

  • sodium thiosulphate
  • sodium sulphate
  • borax
  • ammonium sulphate

Answer: Option A

Similar Questions :

1. Nail polish remover contains ?

  • benzene
  • acetic acid
  • acetone
  • petroleum ether

Answer: Option C

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

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

Answer: Option B

3. Which one of the following is the softest?

  • sodium
  • iron
  • aluminium
  • lithium

Answer: Option A

4. Air contains maximum amount of

  • oxygen
  • nitrogen
  • hydrogen
  • carbon dioxide

Answer: Option B

5. pH of blood is ?

  • 10.4
  • 9
  • 7.4
  • 4

Answer: Option C

Read more from - Chemistry Questions Answers
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