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Assertion: The concentration of pollutan...

Assertion: The concentration of pollutants in water or atmosphere is often expressed in terms of ppm
Reason :Concentration in parts per million can be expressed as mass to mass, volume of volume and mass to volume .

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
When a solute is present in trace quantities it is convenient to express concentration in ppm
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