Question

both copper ii oxide and charcoal are black how do you differentiate the?

Answer 1

Answer:

charcoal being less dense it floats on water while copper (II) oxide settles at the bottom.

Explanation:

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Answer 2

ANSWER:

ᴄʜᴀʀᴄᴏᴀʟ ʙᴇɪɴɢ ʟᴇss ᴅᴇɴsᴇ ɪᴛ ғʟᴏᴀᴛs ᴏɴ ᴡᴀᴛᴇʀ ᴡʜɪʟᴇ ᴄᴏᴘᴘᴇʀ (II) ᴏxɪᴅᴇ sᴇᴛᴛʟᴇs ᴀᴛ ᴛʜᴇ ʙᴏᴛᴛᴏᴍ