Question

Give four characteristics of a physical change. ​

Answer 1

Answer:

A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

Answer 2

$\huge\rm\underline{\underline{\purple{Qᴜᴇsᴛɪᴏɴ:-}}}$

Gɪᴠᴇ ғᴏᴜʀ ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs ᴏғ ᴀ ᴘʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇ.

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$\huge\rm\underline{\underline{\blue{Aɴsᴡᴇʀ:-}}}$

Cʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs ᴏғ ᴀ ᴘʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇ ᴀʀᴇ :

1. Iᴛ ɪs ɢᴇɴᴇʀᴀʟʟʏ ʀᴇᴠᴇʀsɪʙʟᴇ.
2. Nᴏ ɴᴇᴡ sᴜʙsᴛᴀɴᴄᴇ ɪs ғᴏʀᴍᴇᴅ.
3. Nᴏ ᴄʜᴀɴɢᴇ ɪɴ ᴄʜᴇᴍɪᴄᴀʟ ᴘʀᴏᴘᴇʀᴛɪᴇs.
4. Oɴʟʏ ᴄʜᴀɴɢᴇ ɪɴ sʜᴀᴘᴇ, sɪᴢᴇ, ᴄᴏʟᴏʀ, ᴏʀ sᴛᴀᴛᴇ.

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