Acids, Bases and Salts - 1 (Class - IX)

Time: 00:00:00

Attempted

Not Attempted

Marked For Review

Attempted & Reviewed

Question 1 of 15

Metal oxides that show basic as well as acidic behaviour are called amphoteric oxides. Oxides of which of the following elements are amphoteric?

a. Aluminium
b. Zinc
c. Copper

Select Your Answer:

Only a

Only a and b

Only b

Only b and c

Only c

Mark for Review

Attempted

Not Attempted

Marked for Review

Attempted & Reviewed

Current