ICSE /Class 8
Chemistry MCQ Based On Hard and soft water and methods of softening of hard water
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ICSE Class 8 Chemistry Hard and soft water and methods of softening of hard water
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Recall the methods to remove hardness of water
Recall the cause of hardness of water
Insoluble salts are ionic compounds that are insoluble in water, the salt continues to exist as a solid rather than dissolving in the liquid.
The lather is a white mass of bubbles that are formed by washing with soap or detergent.
Hard water has high mineral contents.
Hard water has high mineral contents.
Hard water has high mineral contents.
Hard water has high mineral contents.
Recall the definition
Soap scum is a white solid composed of calcium stearate, magnesium stearate, and similar alkali metal derivatives of fatty acids.
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