Given below are two statements:

Statement I : Classical smog occurs in cold humid climate. It is reducing mixture of smoke, fog and sulphur dioxide.

Statement II : Photochemical smog has components, ozone, nitric oxide, acrolein formaldehyde, PAN etc.

In the light f the above statements, choose the most appropriate answer from the option given below.

–I effect ∝ Acidic strength

+I effect ∝ Basic strength

*  Most stable anion due to maximum –I effect.

*  Most acidic

with increase in separation of screen from slits plane, fringe width increases.

Excessive nitrate in drinking water causes methemoglobinemia

Excessive nitrate in drinking water causes methemoglobinemia

Release of toxic/undesirable materials in the environment.