Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Oxides of nitrogen and sulphur
Ozone and carbon dioxide
Carbon monoxide and nitrogen
Carbon dioxide and carbon monoxide

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Chemistry
Water is not effective in extinguishing a fire caused by petrol because

Water and petrol are miscible with each other
Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
The flame is too hot for water to cool it down
Water and petrol react chemically

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