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Question Detail

What nucleus of atom contains ?

  • protons
  • electrons
  • electrons and protons
  • protons and neutrons

Answer: Option D

Similar Questions :

1. The term PVC used in the plastic industry stands for

  • polyvinyl chloride
  • polyvinyl carbobate
  • phosphor vanadiu chloride
  • phosphavinyl chloride

Answer: Option A

2. The aqueous solution of which acids is called Vinegar ?

  • Acetic acid
  • Hydrochloric acid
  • Citric acid
  • Oxalic acid

Answer: Option A

3. The most malleable metal is

  • platinum
  • silver
  • gold
  • iron

Answer: Option C

4. Alloys made with mercury as one metal are called ?

  • mixtures
  • emulsions
  • solders
  • amalgams

Answer: Option D

5. Permanent hardness of water is due to the presence of ?

  • Magnesium bicarbonate
  • Calcium bicarbonate
  • Sodium bicarbonate
  • Calcium sulphate

Answer: Option D

Read more from - Chemistry Questions Answers
Post a comment

  • R Gyaneswar Reddy 10 years ago

    protons and neutrons

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