Statement I Soaps do not form lather with water containing salts of calcium and magnesium Statement ...........

General Science (Easy) Chemistry

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Statement I: Soaps do not form lather with water containing salts of calcium and magnesium.

Statement II: Calcium and magnesium salts of long chain fatty acids are insoluble in water.

Both the statements are individually true and Statement II is the correct explanation of Statement I.

Both the statements are individually true but Statement II is not the correct explanation of Statement I

Statement I is true, but Statement II is false.

Statement I is false, but Statement II is true.

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Explanation:

Both the statements are individually true and Statement II is the correct explanation of Statement I.

Soaps contain the sodium salts which are converted to their respective calcium and magnesium salts which are precipitated as scum. When the scum dries on washed clothes it makes them stiff and uncomfortable. So, hard water does not form lather with soap.