Chemistry, asked by Anonymous, 1 year ago

what is Physical and chemical changes?

Answers

Answered by vaibhavi7742

3

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 Anonymous

5

Answer:

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.

Previous Question

Next Question

Similar questions

Math, 6 months ago

Which of these angles can't be constructed using a ruler and compass? a)60° b)115° c)120° d)150°...

English, 6 months ago

Find out transitive and intransitive verbs from these sentences. (a) The Soldiers walked briskly ...

Social Sciences, 6 months ago

Where are savannah grasslands South africa orNorth Africa orEast Africa or West Africa...

Math, 1 year ago

If alpha and beta are the zeros of the polynomia)l x^2-4root 3x+3...

History, 1 year ago

Write some phatheleolithic tools...

Science, 1 year ago

name the compounds formed when metals react with water...

Geography, 1 year ago

what are meteroids and asteroids...

Science, 1 year ago

hatching.means.giving.warmth.to.the.yong.ones...