Question

what is a physical and chemical change? ​

Answer 1

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ᴘʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇ

☛Properties such as shape, size, colour and state of a substance are called its physical properties. A change in which a substance undergoes a change in its physical properties is called a physical change.

Example is crystallisation.

ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇ

☛A change in which one or more new substances are formed is called a chemical change. A chemical change is also called a chemical reaction.

Examples are burning of any substance, rusting of iron.

ᴛʜᴀɴᴋ ʏᴏᴜ✌️❣️

Answer 2

Answer:

Explanation:

A change in which the physical properties of a substance is changed is called a PHYSICAL CHANGE... Example: Freezing, Boiling

Chemical changes are changes which result in the formation of a completely new substance with a chemical formula... Example: Burning, Cooking