Question

what is chemical reaction ?​

Answer 1

Answer:

See here :-

Explanation:

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. ... A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Answer 2

ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ = ᴀ ᴘʀᴏᴄᴇss ᴛʜᴀᴛ ɪɴᴠᴏʟᴠᴇs ʀᴇᴀʀʀᴀɴɢᴇᴍᴇɴᴛ ᴏғ ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴀʀ ᴏʀ ɪᴏɴɪᴄ sᴛʀᴜᴄᴛᴜʀᴇ ᴏғ ᴀ sᴜʙsᴛᴀɴᴄᴇ, ᴀs ᴅɪsᴛɪɴᴄᴛ ғʀᴏᴍ ᴀ ᴄʜᴀɴɢᴇ ɪɴ ᴘʜʏsɪᴄᴀʟ ғᴏʀᴍ ᴏʀ ᴀ ɴᴜᴄʟᴇᴀʀ ʀᴇᴀᴄᴛɪᴏɴ.