Question

please give the apparatus required for checking the bacterial contamination in drinking water by sulphide ions

Answer 1

Answer:

to check the bacterial contamination in samples of water collected from different sources by determining sulphide ion concentration. sulphide ions are present in water when anaerobic bacteria decompose organic matter or reduce sulphates. these are found in stagnant water.

Answer 2

$\huge\underline\mathfrak\purple{Answer}$

The major reason is due to human or animal waste which nearly contaminates the water source.

This can lead to various diseases like thyroid, cholera.

When black colour is formed then it is taken as an indication of bacterial contamination of drinking water.

Thank you! ❤