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Oxides of carbon and nitrogen
Oxides of nitrogen and sulphur
Oxides of nitrogen and phosphorous
None of these
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
Alcoholic (- OH) group can be identified by:
Alcoholic fermentation is brought about the action of
All acids essentially have
All isotopes of the same element have
All pottery made from common clay and which are not covered with glaze are called