Physics, asked by Sj0907, 11 months ago

_ is a basic oxide
1. CO2
2. K2O
3. SO2
4. Al2O3​

Answers

Answered by paarth25
7
2. K2O

because when metals react with oxygen they form basic oxides.

K2O is Potassium Oxide
Potassium is a metal.

Potassium + Oxygen -) Potassium Oxide

K2 + O2 -) K2O

NOTE: I HAVE NOT BALANCED THE EQUATION!
Answered by spa13
2

(4) Al2O3 or aluminium oxide or amphoteric oxide and...

(2) Potassium oxide or kalium oxide.

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