Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry S - Block

KO₂ is used in space and submarines because it

1

absorbs CO2

2

absorbs CO2 and increase O2 concentration

3

absorbs moisture

4

More than one of the above

5

None of the above

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