3. This activity shows
(a) iron is more reactive than copper
(b) copper is more reactive than iron
(c) iron is unreactive
(d) copper is unreactive
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Explanation:
A}.ɪʀᴏɴ ɪs ᴍᴏʀᴇ ʀᴇᴀᴄᴛɪᴠᴇ ᴛʜᴀɴ ᴄᴏᴘᴘᴇʀ .
ᴍᴀʀᴋ ᴀs ʙʀɪᴀɴʟɪsᴛ..
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