Any oxides that react, that is, are amphoteric, have acids and bases. Amphoteric oxide, for example, is Al 2 O 3 . Amphoteric oxides are found in simple substances of Groups 2 and 13, some of the d-block elements, and heavy substances of Groups 14 and 15.
Question : Which of the following statement(s) is/are correct?
Question : Acid rain is caused due to pollution of the atmosphere by:
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