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Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

Similar Questions :

1. Petroleum is found in ?

  • Marshy land
  • Metamorphic rocks
  • Igneous rock
  • Sedimentary rocks

Answer: Option D

2. Which one of the following metals does not react with water to produce Hydrogen?

  • Cadmium
  • Lithium
  • Potassium
  • Sodium

Answer: Option A

3. 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

4. Which of the following is produced during the formation of photochemical smog ?

  • Nitrogen Oxides
  • Hydrocarbons
  • Methane
  • Ozone

Answer: Option D

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

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

Answer: Option A

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