Acid rain is caused due to pollution of atmosphere by
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What is given off on burning a candle ?
why bottles of Hazardous chemicals or solvent are available in round shaped only?
What is the reaction that occurs between iodine and sodium thiosulphate?
What are the uses of Alloy ?
why do hard water never produce foam when a soap is dissolved?
pH is having unit?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
Why is dew formed more readily on clear nights than on cloudy ones ?
What is chemical oxygen demand?
From which substance are the dues manufactured ?
What is buffer?
Why is sodium preserved in kerosene oil ?