state 4 main differences between physical and chemical changes
Answers
Answered by
15
Answer:
A chemical change is a permanent change. A Physical change affects only physical properties i.e. shape, size, etc. ... Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc.
Answered by
9
⋨ Answer ⋩
Physical change
(a) This change is temporary and reversible.
(b) There is no formation of new products.
(c) There is no energy change in these changes.
Example - Melting of ice.
Chemical change
(a) These changes are permanent and irreversible.
(b) There is formation of new products.
(c) Energy is either absorbed or evolved in these changes.
Example - Change of milk into curd.
ᴥ Hope it helps u ᴥ
ᴥ Have a great day ahead ᴥ
(｡･ω･｡)
Similar questions