Class X

Which energy source is the largest source used in India?
  1. CNG
  2. LPG
  3. Coal
  4. Bio Gas
Which energy source is the largest source used in India?
  1. CNG
  2. LPG
  3. coal
  4. bio gas
Which of the following is the ultimate source of energy for us?
  1. LPG
  2. Nuclear
  3. Solar
  4. CNG
  Wood is the .
  1. primary fuel
  2. seconadry fuel
  3. liquid fuel
  4. processed fule
Which of the following is normally used in solar cookers for trapping solar energy?
  1. Solar panels
  2. Silicon cells
  3. Mirrors
  4. ANY OF ABOVE
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