Acid Rain has pH value of
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Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of
CuO + H2 ---> Cu + H2O. This equation is an example of
Which of the following is used in the preparation of tincture iodine, cough syrup and many tonics?
Which of the following constitutes highest percentage of Green House gases?
_____ is produced from incomplete burning of fuels such as petrol and diesel.
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
If the first and third members of a Dobereiner triad are Phosphorous and Antimony, the second member of this triad is
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