Q. Melting of ice into water is aa)Exothermic changeb)Physical changec)Permanent changed)Chemical changeCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Its answer is Physical change because , physical change is any change in matter that involves the substance going from one physical state to another.

Answer

Yes, It is physical change because, water converted into ice and ice converted into water

Answer

A

Answer

I am not understand it

Answer

Physical change

Answer

Define of range?

Answer

D

Answer

Phychial change

Answer

Ok thanks for discussion

Answer

Melting of Ice into Water: A Physical Change

Melting is the process by which a solid substance changes into a liquid state due to the absorption of heat energy. When ice melts, it changes from a solid state to a liquid state, forming water. This transformation is a physical change, as it does not involve any change in the chemical composition or identity of the substance.

Physical Change:
A physical change refers to a change in the physical properties or state of a substance without any alteration in its chemical composition. In the case of ice melting into water, the molecules of H2O remain the same. The only change that occurs is the conversion of the solid state (ice) to the liquid state (water). This transformation is reversible, meaning that water can be converted back into ice by removing heat energy through a process called freezing.

Explanation:

1. Melting Point:
- Ice melts at 0 degrees Celsius (32 degrees Fahrenheit). When heat energy is applied to ice at or above its melting point, the ice particles gain enough energy to overcome the attractive forces between them, causing the solid ice to break down and form liquid water.
- The absorption of heat energy during the melting process causes an increase in the kinetic energy of the ice particles, leading to the disruption of the ordered arrangement of molecules in the solid structure.

2. Molecular Arrangement:
- In the solid state, the molecules in ice are held together in a regular, crystalline lattice structure through hydrogen bonds.
- However, when ice melts, the hydrogen bonds between the water molecules are weakened, allowing them to move more freely and take up the shape of the container they are placed in.

3. Physical Properties:
- Ice and water have different physical properties. For example, ice is less dense than water, which is why ice floats on the surface of water bodies.
- Other physical properties such as melting point, boiling point, and specific heat capacity also differ between ice and water.

Conclusion:
The melting of ice into water is a physical change because it involves a change in the physical state of the substance without any alteration in its chemical composition. It is a reversible process and can be reversed by removing heat energy from the water, causing it to freeze back into ice.

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