Question

State two types of physical changes that may take place when a substance is heated
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Answer 1

Answer:

hey mate good mrng hru here is ur answer

Explanation:

when ice is heated it becomes water ,and when water is cooled it becomes ice ,

so it is a physical change

Answer 2

=> Conversion of state of matter
( i.e , from solid to liquid etc )
• Evaporation
• Boiling
• Sublimation

these three physical changes can take place when a substance is heated


=> The density and the volume changes here