Question

what is physical and chemical change?​

Answer 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

Answer 2

phчѕícαl chαngєѕ σnlч chαngє thє αppєαrαncє σf α ѕuвѕtαncє, nσt ítѕ chєmícαl cσmpσѕítíσn. chєmícαl chαngєѕ cαuѕє α ѕuвѕtαncє tσ chαngє íntσ αn єntírєlч ѕuвѕtαncє wíth α nєw chєmícαl fσrmulα. chєmícαl chαngєѕ αrє αlѕσ knσwn αѕ chєmícαl rєαctíσnѕ.

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