Question

mention any two characteristics of a chemical change.​

Answer 1

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ᴛʜᴇʀᴇ ᴀʀᴇ ғɪᴠᴇ sɪɢɴs ᴏғ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇ:

. ᴄᴏʟᴏʀ ᴄʜᴀɴɢᴇ.

. ᴘʀᴏᴅᴜᴄᴛɪᴏɴ ᴏғ ᴀɴ ᴏᴅᴏʀ.

. ᴄʜᴀɴɢᴇ ᴏғ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ.

. ᴇᴠᴏʟᴜᴛɪᴏɴ ᴏғ ᴀ ɢᴀs (ғᴏʀᴍᴀᴛɪᴏɴ ᴏғ ʙᴜʙʙʟᴇs)

. ᴘʀᴇᴄɪᴘɪᴛᴀᴛᴇ (ғᴏʀᴍᴀᴛɪᴏɴ ᴏғ ᴀ sᴏʟɪᴅ)

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ʜᴏᴘᴇ ɪᴛ ᴡᴀs ʜᴇʟᴘғᴜʟ ❤

Answer 2

1) It is an irreversible change.

2) A new substance will formed.