Question

explain the type of changes involved in this sequence
Ice cube placed in sun-
-puddle of water disappearance of puddle
​

Answer 1

Answer:

Condensation, deposition, and freezing are processes that occur as a result of a decrease in the heat energy of water particles. When solid ice gains heat, it changes state from solid ice to liquid water in a process called melting.

2. Formation of Puddle of water from ice cube is due to melting of the ice. Disappearance of water in presence of sun is known as vapourisation. Melting and vapourisation are both reversible processes. Melting can be reversed by freezing the water whereas vapourisation can be reversed by condensation.

Explanation:

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Answer 2

Answer:

The ice cube changing into water puddle in MELTING

This process is solid ice cube changing into a liquid.

This is a PHYSICAL CHANGE. When water melts, it changes from solid state to to liquid state ;  but it is still water; it has not formed any new substance.

The water puddle disappearing is EVAPORATION

This process is liquid water changing into gas

This is a CHEMICAL CHANGE  When water evaporates, it changes from the liquid state to the gas state,  When water evaporates, it changes from the liquid state to the gas state, but it is still water; it has not formed any new substance.