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Air is a

  • compound
  • colloid
  • element
  • mixture

Answer: Option D

Similar Questions :

1. Which one of the following gas is readily soluble in water at room temperature ?

  • chlorine
  • nitrogen
  • ammonia
  • carbon dioxide

Answer: Option D

2. Sugars are converted in the liver into

  • Glycogen
  • Vitamin
  • Monosaccharide
  • None of above

Answer: Option A

3. What nucleus of atom contains ?

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

Answer: Option D

4. Chemical used in photography is

  • sodium sulphate
  • sodium sulphite
  • sodium thiosulphate
  • sodium oxalate

Answer: Option C

5. The material which can be deformed permanently by heat and pressure is called a

  • thermoset
  • thermoplastic
  • chemical compound
  • polymer

Answer: Option A

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