Question

During which of the following changes are no new Substance formed

Answer 1

Answer:

Changes can be of two types, physical and chemical. Physical changes are changes in the physical properties of substances. No new substances are formed in these changes.

Answer 2

A physical change is a change in which no new substances are formed . Physical change affects the form of a chemical substance , but not its chemical composition . It cannot be used to separate compounds into chemical elements on simple compounds . It is a temporary change .

For example :- Crushing a can , melting ice , boiling water , mixing sand and water , breaking a glass , dissolving sugar and water , shredding paper and chopping wood .

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