Question

Which of the following equations is balanced?
Choose answer:


CaCO3 → CaO + CO2


NaNO3 → NaNO2 +O2


H2O2 → H2O + O2


Al2(CO3)3 → Al2O3 + CO2

Answer 1

Answer:

H202=H20+O2

Explanation:

IT IS THE CORRECT ANSWER.

Answer 2

Answer:

hi your answer is a cac03--cao+co2

Explanation:

in cac03 c=2. o=3.

In cao+co2. c=2. o=3

since both are equal they are balanced

it obeys law of conversation of mass

hope it is helpful mark as brainlist