ICSE /Class 8
Chemistry MCQ Based On Hard and soft water and methods of softening of hard water
Our free online Chemistry test quiz for Class 8, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
ICSE Class 8 Chemistry Hard and soft water and methods of softening of hard water
The lather is a white mass of bubbles that are formed by washing with soap or detergent.
Soap scum is a white solid composed of calcium stearate, magnesium stearate, and similar alkali metal derivatives of fatty acids.
A detergent is a surfactant or a mixture of surfactants with cleansing properties in dilute solutions.
Insoluble salts are ionic compounds that are insoluble in water, the salt continues to exist as a solid rather than dissolving in the liquid.
Recall the definition
Recall the methods to remove hardness of water
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