Home

Permanent hardness of water is due to the presence of calcium & magnesium

A. Bi-carbonates

B. Sulphates & chlorides

C. Carbonate

D. None of these

Study and Earn Android App
Share this question with your friends

Correct Answer : B.


Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Also checkout

Enuresis MCQ Animal Kingdom MCQ Solids, Liquides, Gases MCQ Machine Input Mi-set 2 MCQ Microsoft Access MCQ Rearrangement Set 9 MCQ Miscellaneous MCQ Linux OS MCQ Nuclear Physics MCQ CorelDraw MCQ Magnetic Induction MCQ Direct TAX MCQ