Acid rain is caused due to pollution of atmosphere by
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Why does a freely suspended magnetic needle always point North and South ?
why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
Which halogen element is used in halogen light?
What is wave number?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
Explain the difference between the Metals and Metallurgy ?
Which of the above conductivity measured during conductometric titration?
What is the unit of ph?
Why is acetone used for cleaning viscometer?
Explain about Graham?s law of Diffusion ?
why do hard water never produce foam when a soap is dissolved?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
Organic Chemistry 
