wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Differentiate between physical changes and chemical changes?

Open in App
Solution

BASIS FOR COMPARISON PHYSICAL CHANGE CHEMICAL CHANGE
Meaning Physical change refers to a change in which the molecules are rearranged but their internal composition remains same. Chemical Change is a process in which the substance transforms into a new substance, having different chemical composition.
Example Tearing of paper, melting/freezing of water, cutting of trees, etc. Burning of wood/trees/paper, rusting of iron, setting of curd, etc.
Nature Reversible Irreversible
Original matter Can be recovered Cannot be recovered
Involves Change in physical properties of the substance, i.e. shape, size, color etc. Change in chemical properties and composition of the substance.
Product Formation No new product is formed. New product is formed.
Energy Absorption and evolution of energy do not take place. Absorption and evolution of energy take place, during reaction.

flag
Suggest Corrections
thumbs-up
5
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Physical vs Chemical Changes
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon