write difference between Physical and Chemical Change .
Answers
Answer:-
Differences between Physical and Chemical change are:-
Physical Change
☛A physical change brings about changes only in the physical properties of the substance such as physical state, shape, size, etc.
☛ No new substance is formed in a physical change.
☛ It is a temporary change.
☛Physical change can be easily reversed.
☛ There is no change in chemical composition of the substance.
☛During a physical change, energy change may or may not be observed.
Chemical Change
☛A chemical change brings about changes in chemical properties of the substance.
☛ New substances are formed during the chemical change.
☛ It is a permanent change.
☛ Chemical change cannot be reversed.
☛ There is always a change in the chemical composition of the substance.
☛During a chemical change, energychange (evolution or absorption of heat,light, etc) always occurs.
Answer:
physicl change can be again change into the same product but chemical change cannot be change again to the same product
physical change is also known as reversible change and chemical change also known as irreversible change