Question

1 cold weather.
State two types of physical changes that may take place when a substance is
heated.​

Answer 1

Answer:

• the substance may become cold
• the substance may melt

Answer 2

Answer:

if the substance is in solid form then it will change to water resulting in melting but if the substance is in the form of liquid it will change to evaporation/boiling but it's not true in every condition, sometimes the liquid substance changes to solid resulting in solidification and if the substance in a sublime then sublimation