Question

show that sugar and salt are soluble in water while chalk powder and clay are insoluble in water​

Answer 1

sugar dissolves in water,

• The weak bonds between the individual sucrose molecules are broken, and these C12H22O11 molecules are released into solution. ...
• Sugar dissolves in water because energy is given off when the slightly polar sucrose molecules form intermolecular bonds with the polar water molecules.

chalk powder does not dissolve in water.

The main component of chalk is calcium carbonate.

• In water the solubility of chalk is low so, only a minute amount of calcium carbonate can be dissolved in the water and rest will be remain solid.
• Chalk is normally made of mineral so, usually it does not dissolve in water.

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Answer 2

Answer:

Explanation:

The weak bonds between the individual sucrose molecules are broken, and these C12H22O11 molecules are released into solution. ...

Sugar dissolves in water because energy is given off when the slightly polar sucrose molecules form intermolecular bonds with the polar water molecules.