Answer:
» (d) All of these
Step-by-step explanation:
(a) Heating a substance
» When any substance is heated, at a constant temperature it'll reach its boiling point and evaporation or sublimation occurs.
☑ The substance will to gaseous state.
(b) Cooling a substance
» When a substance is cooled, at a constant temperature it'll reach its melting point and melting occurs.
☑ The substance changes to liquid state
(c) Mixing a substance with another substance
Assume we mix liquid with powdered solid. The overall mixture will be solid
