Question Detail

Water drops are spherical because of ?

  • viscosity
  • density
  • polarity
  • surface tension

Answer: Option D
Similar Questions :

1. Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

2. The acid generally stored in batteries is

  • Nitric Acid
  • Hydrochloric Acid
  • Sulphuric Acid
  • Acetic Acid

Answer: Option C

3. The single acid which dissolves gold is ?

  • Aqua regia
  • Hydrochloric acid
  • Nitric acid
  • Selenic acid

Answer: Option A

4. What is metallurgy ?

  • process of extracting metal in pure form from its ore.
  • process of creating alloys of metals.
  • process of making metals live long.
  • None of above.

Answer: Option A

5. What nucleus of atom contains ?

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

Answer: Option D

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