Explanation

In the Fahrenheit scale:

• The boiling point of water is 212°F
• The freezing point of water is 32°F

Additional information:

In the Celsius scale:

• Boiling point of water: 100°C
• Freezing point of water: 0°C

Last verified on 02-04-2026

Explanation

• Common salt is chemically known as sodium chloride (NaCl).
• It is an ionic compound composed of sodium and chloride ions
• Representing a 1:1 ratio of sodium and chloride ions
• Formula: NaCl
• Melting point: 801 °C
• Density: 2.16 g/cm³
• Boiling point: 1,465 °C

Question updated on 11-02-2026

Explanation

• A mixture of salt and sand can be separated by dissolving it in water.
• Salt dissolves in water, while sand remains insoluble.
• The sand can then be separated by filtration.
• Finally, evaporation of the water recovers the dissolved salt.

Last verified on 06-10-2026

Explanation

Explanation

• Gas molecules move freely in all directions because the particles are far apart.
• Gas particles have weak intermolecular forces and high kinetic energy.

Additional information:

• Solids: Vibrate in fixed positions
• Liquids: Move/slide around each other

Last verified on 06-10-2026