Name Three Water Borne Diseases.

Name three water borne diseases.

(1) Cholera (2) Typhoid (3) Hepatitis

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Removal of Hardness of Water

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 8: Water - Exercise III [पृष्ठ १२०]

पाठ 8 Water
Exercise III | Q 3 | पृष्ठ १२०

Give reason for It is difficult to cook in hills compared to plain.

Give two examples of hydrated substances.

Define the Soft water.

Define the Hard water.

Temporary hardness of water can be removed by

Give balanced equation to show how temporary hardness enters into water.

Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.

Fill in the blank:

Hard and soft water can be distinguished using _____.

State the causes of hardness in water.

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