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Tamil Nadu Police Constable Model Questions - 2

Tamil Nadu Police Constable Online Test

1.Which is the lightest Gas?
  1. Hydrogen
  2. Nitrogen
  3. Carbon dioxide
  4. Oxygen
2. The most malleable metal is?
  1. Gold
  2. silver
  3. Alluminium
  4. Sodium
3. In Dry Battery which of the mineral is used?
  1. Mica
  2. Bauxite
  3. Zorcon
  4. Manganese
4.Which plastic is used for Non-Stick utensils?
  1. Melamine
  2. Teflon
  3. PVC
  4. Bakelite
5. Which chemicals used in making Glass?
  1. Phosphorus
  2. silica
  3. Cabon Black
  4. Clay
6.The poorest conductor of Heat is?
  1. Lead
  2. Aluminium
  3. Gold
  4. silver
7.Which is the best conductor of heat and electricity?
  1. Gold
  2. Lead
  3. Silver
  4. Aluminium
8.The Gas used in Extenguisher is?
  1. Nitrogen
  2. Hydrogen
  3. Carbondioxide
  4. Carbon Monoxide
9.The Importand ore of Aluminium is
  1. Galena
  2. Calamine
  3. Clcite
  4. Bauxite
10. which is most soluble in water?
  1. Sugar
  2. Salt
  3. Camphor
  4. Sulphur
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