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General Knowledge · Q186

Practice

Competitive Exams · General Knowledge · question 186

Q186

Which among the following metals provides amphoteric oxide ?

A.
Sodium
B.
Silver
C.
Aluminium
Answer
D.
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.