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A single covalent bond
A substance emits energy which is detected as a line emission in the visible region using a spectroscope. The origin of this energy is
A traditional battery contains which of the following chemicals?
Acid and alcohol react to form
Acid rain is caused due to pollution of atmosphere by
Acid secretion is characteristic of
Adding Cl2 to benzene in the presence of AlCl3 is an example of:
Air is said to be saturated when :
Air shows the property of
Al3+ is iso electronic with