Question

In which form do the moderately reactive metals occur in nature?

Answer 1

The metal such as iron, zinc, lead and copper are moderately reactive. They are usually present as sulphides or carbonates in nature. Roasting is the process of strongly heating a concentrated ore in excess air.

Answer 2

ⓗⓔⓡⓔ ⓘⓢ ⓨⓞⓤⓡ ⓐⓝⓢⓦⓔⓡ

ᴛʜᴇ ᴍᴇᴛᴀʟs ɪɴ ᴛʜᴇ ᴍɪᴅᴅʟᴇ ᴏғ ᴛʜᴇ ʀᴇᴀᴄᴛɪᴠɪᴛʏ sᴇʀɪᴇs ᴀʀᴇ MODERATELY REACTIVE. THESE ARE ᴜsᴜᴀʟʟʏ ᴘʀᴇsᴇɴᴛ ᴀs sᴜʟᴘʜɪᴅᴇs ᴏʀ ᴄᴀʀʙᴏɴᴀᴛᴇs ɪɴ ɴᴀᴛᴜʀᴇ ᴛʜᴇ ᴍᴇᴛᴀʟ sᴜʟᴘʜɪᴅᴇs ᴀɴᴅ ᴄᴀʀʙᴏɴᴀᴛᴇs ᴍᴜsᴛ ʙᴇ ᴄᴏɴᴠᴇʀᴛᴇᴅ ɪɴᴛᴏ ᴍᴇᴛᴀʟ ᴏxɪᴅᴇs.

ᴛʜᴇ sᴜʟᴘʜɪᴅᴇ ᴏʀᴇs ᴀʀᴇ ᴄᴏɴᴠᴇʀᴛᴇᴅ ɪɴᴛᴏ ᴏxɪᴅᴇs ʙʏ ʜᴇᴀᴛɪɴɢ sᴛʀᴏɴɢʟʏ ɪɴ ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴇxᴄᴇss ᴀɪʀ. ᴛʜɪs ᴘʀᴏᴄᴇss ɪs ᴋɴᴏᴡɴ ᴀs ʀᴏᴀsᴛɪɴɢ.

ᴛʜᴇ ᴄᴀʀʙᴏɴᴀᴛᴇs ᴏʀᴇs ᴀʀᴇ ᴄʜᴀɴɢᴇᴅ ɪɴᴛᴏ ᴏxɪᴅᴇs ʙʏ ʜᴇᴀᴛɪɴɢ sᴛʀᴏɴɢʟʏ ɪɴ ʟɪᴍɪᴛᴇᴅ ᴀɪʀ. ᴛʜɪs ᴘʀᴏᴄᴇss ɪs ᴋɴᴏᴡɴ ᴀs ᴄᴀʟᴄɪɴᴀᴛɪᴏɴ.

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