Choose the incorrect statement. - Vidyadip

MCQ

Choose the incorrect statement.

A
The Montreal protocol is associated with the control of emission of ozone depleting substances.
B
Methane and carbon dioxide are green house gases.
✓
Dobson units are used to measure oxygen content.
D
Use of incinerators is crucial to disposal of hospital wastes.

✓

Answer

Correct option: C.

Dobson units are used to measure oxygen content.

The thickness of ozone is measured in terms of Dobson Units $(DU).$ In stratosphere ozone gas is continuously$-$formed by the action of ultra violet rays on molecular oxygen $\&$ also degraded into molecular oxygen.
$\text{O}_3\leftrightharpoons\text{O}_2+[\text{O}]$

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