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Air is a

  • compound
  • colloid
  • element
  • mixture

Answer: Option D

Similar Questions :

1. What is extracted from Bauxite ?

  • Mica
  • Aluminium
  • Copper
  • Tin

Answer: Option B

2. Which metal is heaviest ?

  • osmium
  • mercury
  • iron
  • nickle

Answer: Option A

3. pH of water is

  • 5
  • 6
  • 7
  • 8

Answer: Option C

4. Faraday's Law is associated with

  • Reaction of gases
  • Pressure of gases
  • Electrolysis
  • Temperature and pressure

Answer: Option C

5. What among following is used to produce artificial rain ?

  • copper oxide
  • carbon monoxide
  • silver iodide
  • silver nitrate

Answer: Option C

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