Question

[freezing/ condensation). The constant temperature at which ice changes into 'Xis
7. Ice on absorption of heat converts to 'X' a process called
6. Intermingling of molecules is called
[vaporization / melting).
'X' changes to water vapour on
[heating/cooling). Water vapour changes back to 'X' on
called its
[fusion point / melting point / boiling point).
f
a substance.
110​

Answer 1

Answer:

The substance X is water

Answer 2

Answer:

the substances x in water