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Question
Which of the following is the use of coal gas?
Options:
A .  Street Lighting
B .  Mosquito repellent
C .  Manure formation
D .  Paints
Answer: Option A
:
A
Coal gas is CO2& CO. It is used as fuel and earlier in the year1810 itwas used for street lighting in London.
Whereas, mosquito repellent generally contains propane, petrol is used for the manufacture of paintand manure formation requires ammonia.

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