Chemistry - CHEMISTRY IN EVERYDAY LIFE Question with Solution | TestHub

Photochemical smog occur in humid climate and it is a mixture of smoke, fog and ${\mathrm{SO}}_2$

Nitrate causes "blue baby" syndrome when present excess in drinking water while excess sulphate cause Laxitive effect.

Bacteria such as Escherichia coli and streptococcus faecalis which cause gastrointestinal disease are pathogens.

Clean water has BOD value less than 5 ppm .