Question

what is catalyst ???​

Answer 1

Answer:

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

"chlorine acts as a catalyst promoting the breakdown of ozone"

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Answer 2

ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴡʜɪᴄʜ ᴅᴏᴇs ɴᴏᴛ ᴛᴀᴋᴇ ᴘᴀʀᴛ ɪɴ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ, ʙᴜᴛ ᴀʟᴛᴇʀs ᴛʜᴇ ʀᴀᴛᴇ ᴏғ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ ɪs ᴄᴀʟʟᴇᴅ ᴄᴀᴛᴀʟʏsᴛ.

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