which of the following. has the lowest ignition temperature?
a)petrol
b)kerosene
c)coal
d)LPG


the substance having the highest calorific value is
a. LPG
B. hydrogen
c. oxygen
d. coal gas


which of the following. has the highest calorific value?
1. wood
2.dung cake
3. methane gas
4. biogas

i>coal
ii>hydrogen
iii>Methane gas

 

  • 2
methane gas has the highest
  • 2
i>Coal
ii> Hydrogen
iii>Dung cake
  • 4
coal ,hydrogen ,dung cake.
  • -2
i)Coal ii) Hydrogen iii)Dung cake
  • 0
i) coal
ii) hydrogen
iii) sung cake
  • 4
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