GENERAL KNOWLEDGE

Detailed explanation-1: -Ice is the solid state of water, a normally liquid substance that freezes to the solid state at temperatures of 0 °C (32 °F) or lower and expands to the gaseous state at temperatures of 100 °C (212 °F) or higher.

Detailed explanation-2: -As the liquid cools down, the amount of potential energy is reduced and the molecules start to move slower. When the water temperature reaches around 0°C, the molecules stick together and form a solid – ice. Even in this solid stage, the molecules are still moving – we just can’t see it.

Detailed explanation-3: -Ice is the solid form of water. Since water is a compound made up of hydrogen and oxygen atoms, ice is also a pure substance.