Hydrated salts — task. Science State Board, Class 10.

PDF chapter test TRY NOW

State whether the statements are true or false and choose the following correct statement

1. Sodium chloride dissolved in water forms a non-aqueous solution.

The statement is

Sodium chloride dissolved in water forms an aqueous solution.
Sodium chloride dissolved in water forms a concentrated solution.

2. When Silica gel is kept open, it absorbs moisture from the air, because it is hygroscopic in nature.

The statement is

When exposed to the atmospheric air at ordinary temperatures, certain substances that are so hygroscopic absorb enough water and get completely dissolved.
When certain substances are exposed to ambient air at room temperature, they absorb moisture without changing their physical state.

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