False. carbon-carbon bonds that share 2 pairs of electrons are double bonds. An unsaturated hydrocarbon isnt necessary to only have double bonds. they can also have single bonds or triple bonds.
Endpoint . this is when the color of the indicator changes while equivalence is when added titrant is chemically equivalent completely to the analyte sample
Yes: water can exist in solid (ice), liquid (water), and gas (water vapor) forms.
