How is fluorine hazardous substance to ground water?

Fluorine is

What are the hazardous substance that show effection the growth of foetus ?

Rainwater…………the ground water

The form of fluorine in ground water

Example for hazardous solid waste

Write any 5 substance which float on salt water.

Read the following information and prepare any two questions. Pharmaceuticals and personal care products including medications, lotions and soap, are being found in increasing concentrations in lakes and rivers causing water pollution. Hazardous susbtances like fluorine mixed in ground water cause dangerous diseases, called fluorosis.

Fluorine reacts with water to give

If several bore wells are dug and underground water-is tapped constantly, what will happen to the source of ground water ?

What do you know about carbonmonoxide poisoning? How does it show a hazardous impact on helath?