homogeneous
No
CS2 stands for carbon disulfide; the 2 is written as a subscript and stands for a chemical compound which contains a carbon atom and two sulfur atoms.
A smoke is solid particles dispersed in a gas, so it is heterogeneous.
The flavor vanilla comes from a bean, vanilla extract contains vanilla in an alcohol base.
Methane is a compound. It is made of hydrogen, and carbon. Chemical formula of it is CH4.
Homogeneous because you can't see the carbon in the sand.
homogeneous
Neither. Carbon dioxide is a pure substance, not a mixture.
Neither. Carbon dioxide is a pure substance, not a mixture.
CO2 is a pure substance and so is homogeneous. Hint: if it has a chemical formula then it is a pure substance.
Carbon disulfide is CS2
heterogeneous
No
It is heterogeneous mixture because the carbon dioxide is not completely dissolved, and easily spotted.
carbon disulfide
CS2 stands for carbon disulfide; the 2 is written as a subscript and stands for a chemical compound which contains a carbon atom and two sulfur atoms.
A smoke is solid particles dispersed in a gas, so it is heterogeneous.