Question

$I$. Melting is an exothermic process.
$II$. Heat energy will cause covalent bonds in water to break as water converts from the solid state to the liquid state.

• A. Statement $I$ is true, Statement $II$ is true
• B. Statement $I$ is true, Statement $II$ is false
• C. Statement $I$ is false, Statement $II$ is true
• D. Statement $I$ is false, Statement $II$ is false

Answer 1

The correct option is D Statement $I$ is false, Statement $II$ is false

Melting is endothermic. Melting process needs energy to convert it from solid to liquid state.

Ice melts when heat energy causes the molecules to move faster, breaking of hydrogen bonds between molecules to form liquid water. In the melting process, the water molecules actually absorb energy.