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 to volume and mass to volume.

Question

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 to 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

Tardigrade Admin · Accepted Answer

When a solute is present in trace quantities it is convenient to express concentration in ppm.

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

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

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

If assertion is true but reason is false

If both assertion and reason are false

When a solute is present in trace quantities it is convenient to express concentration in $pp m$ .

Q. 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 to volume and mass to volume.