Give two examples of hydrated substances. - Chemistry

Give two examples of hydrated substances.

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Removal of Hardness of Water

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अध्याय 8: Water - Exercise II [पृष्ठ ११५]

अध्याय 8 Water
Exercise II | Q 6.1 | पृष्ठ ११५

Define the Hard water.

What are the advantages of soft water.

What are the advantages of hard water.

Explain the permutit method for softening hard water.

Give reason for the following:

Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.

State the causes of hardness in water.

Temporary hardness of water can be removed by ________ of water.

What is permanent hardness of water? How can it be removed?

Name the process by which temporary hardness is easily removed from the water.

Temporary hardness of water can be removed by