Chemistry
A method used to kill harmful germs present in water is:
- sedimentation
- decantation
- boiling
- filtration
Related Questions
(a) Define solubility.
(b) State two factors by which the solubility of a solute in a solvent can be increased.
Chlorination of water is done to :
- kill germs
- remove the suspended impurities
- remove the dissolved impurities
- none of the above
Sea water is not fit for drinking because it contains a large amount of:
- suspended impurities
- sugar
- dissolved salts
- none of the above
The gas which adds taste to water is:
- oxygen
- nitrogen
- hydrogen
- carbon dioxide