what is physical and chemical change??? muje smajao hindi me...
Answers
Answered by
1
Answer:
Key Points. Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Answered by
1
Explanation:
jis bastu apne pehele stage mai fir se wapas nehi jasakta usse chemical change kehetehai
e.g curd ( dahi milk se hotahai wo badme firse milk nehi bandakta )
jis bastu apne pehle stiti yafir stage Mai wapas atahai usse physical change kehetehai
e.g ( ice water se hotahai per agar hum use phir se pighlade to wo water hojatahia )
I think you got it bro
Mark as brilliant please
Similar questions