Class VIII

Petrol can be saved by
  1. Driving at a constant & moderate speed
  2. Ensuring correct type pressure
  3. Switching off the engine at traffic lights
  4. All of these
What is the full from of PCRA ? 
  1. Petroleum Conservation Research Association 
  2. Petroleum Consumption Research Association 
  3. Petroleum Conservation Resource Association 
  4. Petrochemical Consumption Research Association 
Sunlight is _________natural resource
  1. Inexhaustible
  2. Exhaustible
  3. Both (a) & (b)
  4. None of these
The layer containing petroleum oil & gas is
  1. Above that of water
  2. Below water
  3. Between water and sand
  4. Below sand
"Read the following statements : i) Different substances have different ignition temperatures. ii) Matchstick tail has a low ignition point"
  1. both are correct
  2. statement ii) is correct but i) is wrong
  3. statement i) is correct but ii) is wrong
  4. both are wrong
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