Acid Rain has pH value of
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Which of the following is NOT the combined from of carbon?
Ammonium nitrate, on thermal decomposition, produces :
The metal that can be cut with a knife is
Which of the following elements has a total of 3 shells with 8 electrons in the last orbit?
Which of the following compounds has a double bond?
The smell that we get when LPG cylinder leaks is due to the presence of
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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