When water is cooled at temperature $x,$ it gets converted into ice at temperature $x$ by a process called $P.$ And when ice at temperature $x$ is warmed, it gets reconverted into water at the same temperature $x$ in a process called $Q.$

What is the value of temperature $x$ in Kelvin ?

When water is cooled at temperature $x,$ it gets converted into ice at temperature $x$ by a process called $P.$ And when ice at temperature $x$ is warmed, it gets reconverted into water at the same temperature $x$ in a process called $Q.$

What is the process $P$ known as ?

When water is cooled at temperature $x,$ it gets converted into ice at temperature $x$ by a process called $P.$ And when ice at temperature $x$ is warmed, it gets reconverted into water at the same temperature $x$ in a process called $Q.$

What is the name of energy released during process $P$ ?

When water is cooled at temperature $x,$ it gets converted into ice at temperature $x$ by a process called $P.$ And when ice at temperature $x$ is warmed, it gets reconverted into the water at the same temperature $x$ in a process called $Q.$

What is the process $Q$ known as?

When water is cooled at temperature $x,$ it gets converted into ice at temperature $x$ by a process called $P.$ And when ice at temperature $x$ is warmed, it gets reconverted into the water at the same temperature $x$ in a process called $Q.$

What is the name of energy absorbed during process $Q$?

Archit dropped a crystal of potassium permanganate into two beakers $A$ and $B$ containing hot water and cold water respectively. After keeping the beakers undisturbed for sometime, what did he observe and why?