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Water of Crystallization

Hard water is...

Question

Hard water is suitable for refining sugar.

A

True

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B

False

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Solution

The correct option is B False
Hard water contains chlorides, sulfates, and bicarbonates of calcium and magnesium.
The process of crystallization of sugar becomes difficult if hard water is used and the produced sugar may be deliquescent.
Therefore, the given statement is false.

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Similar questions

Q. Which of the following statements are true? Rewrite the false statements after correction.
(a) Water which looks clean and sparkling is suitable for drinking.
(b) soap lathers well in soft water.
(c) sodium sulphate is one of the substances which cause hardness in water.
(d) insoluble salts of calcium cause hardness in water.
(e) Rainwater, as it falls, is always pure.

Q. Question 38
During extraction of metals, electrolytic refining is used to obtain pure metals.
(a) Which material will be used as anode and cathode for refining of silver metal by this process?
(b) Suggest a suitable electrolyte also.
(c) In this electrolytic cell, where do we get pure silver after passing electric current?

Hard water is suitable for washing clothes.

Why hard water is not suitable for washing clothes? Explain with equation

The one that is NOT suitable for the removal of permanent hardness of water is:

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