The table given below shows the reaction of a few elements with acids and bases to evolve Hydrogen gas.
Which of these elements form amphoteric oxides?
(A) A and D
(B) B and D
(C) A and C
(D) B and D
Answer -
Metal oxides which react with both acids as well as bases to produce salts and water are known as amphoteric oxides.
From our table
-
Only B and D
reacts with both Acids and Base
. So, the correct answer is (b)
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