Hygroscopy and deliquescence: choose the correct statement — task. Science State Board, Class 10.

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Choose the correct statements and example about hygroscopy and deliquescence substances:

Answer variants:

Concentrated sulphuric acid

Polystyrene

Deliquescent substance may be amorphous solids or liquids.

Sodium nitrate

Hygroscopic substance may be amorphous solids or liquids.

Solubility in water is frequently expressed in gram/1000mL.

1. Correct statement:

2. Deliquescence substance example :

3. Hygroscopy substance example :

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2. Hygroscopy and deliquescence: choose the correct statement