If a scientist discovered an unknown substance that melts at 0°C and boils at 100°C, what conclusion could be drawn about the substance based on the information provided?
1 )
The substance must be water since these are water’s melting and boiling points
The substance could be water but further testing would be needed to confirm
3 )
The substance cannot be water because pure substances have unique properties
4 )
The substance is likely a mixture since it has common melting and boiling points
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