ICSE Worksheet for chapter-6 Water class 9

ICSE Worksheet for chapter-6 Water class 9

Worksheet For class 9

Find ICSE Worksheet for chapter-6 Water class 9

CLASS-9

BOARD: ICSE

Chemistry Worksheet - 6

TOPIC: WATER

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WATER

SUMMARY-

• Occurrence of water, water as a compound, natural and treated water.
• Physical and chemical properties of water, tests and uses.
• Solutions – ( True solutions )

1. Dilute and concentrated.
2. Saturated, unsaturated and super-saturated.
3. Solubility and crystallization.

SECTION -1

1. Name two substances whose solubility :
   1. Increases with the rise in temperature.
   2. Remains practically unaffected with the rise in temperature.
   3. Decrease with the rise in temperature.
2. Give three factors on which the solubility of a solid depends.
3. In which of the following substances can there be :
   1. Increase in mass.
   2. Decrease in mass.
   3. No change in mass,
4. when exposed to air ?
   1. Sodium chloride.
   2. Iron.
   3. Concentrated sulphuric acid.
   4. Table salt.
   5. Sodium carbonate crystals.
5. Complete the following table :