Chemistry

General Science (Easy)

Title

45:30

Video Progress

8 of 24 completed

Notes Progress

5 of 15 completed

MCQs Progress

38 of 100 completed

Subjective Progress

8 of 20 completed

Continue to Next Topic

Indian Economy - Understanding the basics of Indian economic system

Next Topic

Download Solution PDF

Permanent hardness of water is due to the presence of

Sulphates of sodium and potassium

Sulphates of magnesium andcalcium

Carbonates of sodium and magnesium

Bicarbonates of magnesium and calcium

Explanation:

Permanent hardness is hardness (mineral content) that cannot be removed by boiling. When this is the case, it is usually caused by the presence of calcium sulfate and/or magnesium sulfates in the water, which do not precipitate out as the temperature increases.

By: kamaljeet kaur

Profile ResourcesReport error

Trial Period Ended