1. Denatured alcohol is an example of pure substances
2. Elements and compounds are heterogenous.
3.Pure substance has definite and unchanging chemical composition.
4.Disttiled water boils at 100°C and has freezing pointn
5.Sugar and water maybe combined to form a misture.
6.You can seperate the components of water through diatillation.
7.The composition of the mixture are constant.
8. you can separate the components of chalk dust in water through filtration.
9.air is an example of a mixture.
10.platinum helium and carbon dioxide are substances .

(Bluff if incorrect)
(Fact if coreect)

need kona ng sagot.
Ggwin kong Brainliest ang sumagot ng tama.​