Question

c) What are physical and chemical changes? Give an example of each
​

Answer 1

Answer:

Physical changes-

• they changes their states
• never be changed again to old state
• ex.-burning of candle

Chemical changes-

• do not change their state
• always changed to its orignal state
• ex.-molten ice-cream

hope it helps you...

mark it as brainliest...

Answer 2

Explanation:

physical change is one in which only the state of reactants is changed by making certain changes in parameters like temperature or pressure

eg. solid ice changes to liquid water to gaseous vapours on increase in temperature

chemical change is the change in chemical composition of reactants during chemical reaction

eg C+O2==CO2

merk me as brainliest