Q186
Which among the following metals provides amphoteric oxide ?
A.
Sodium
B.
Silver
C.
Aluminium
AnswerD.
Calcium
Answer: Option C
Solution
Answer: Option C
Solution:
In chemistry, an amphoteric compound is a molecule or ion that can react both as an acid and as a base. Many metals (such as copper, zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides. Amphoterism depends on the oxidation states of the oxide.