Which of the following pairs of elements forms amphoteric oxides?

fribaselectricalengineering

7 years ago

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. Al2O3 is an example of an amphoteric oxide.

EMMILLY

9 years ago

compound is a molecule or ion that can react both as an acid as well as a base . [1] 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.

EMMILLY

9 years ago

so it is correct okay@paul.lead and tin

not boron and all their combination was wrong

EMMILLY

9 years ago

yes...I don't know why tz d

Oluwaperosayemi

8 years ago

PbO, is also an amphoteric oxide

belisadi45

2 months ago

I think the answer given was wrong the correct answer is C

ubaydah15

4 years ago

silicon is a metalloid

VIKSLYFE

3 years ago

so answer should be c

paul4

9 years ago

but al2O3 and ZNO r d only amphoteric oxide

dandano

5 years ago

Does silicon also form amphoteric oxide

Topea

4 years ago

Wrong answer

Ang3A

5 months ago

The answer to this question was wrong. if it was c that was the correct option with a mistake for b as be I would understand but d, where? how?, there is even no correlation at all

Judestar

3 years ago

I think your answers need updates because most questions are wrongly represented. The crop of students we have these days are answers minded and not research minded.