Want this question answered?
CO2 is a pure substance and so is homogeneous. Hint: if it has a chemical formula then it is a pure substance.
it is a compound
Diamond is formed from carbon with some inclusion of trace minerals, for colour.
Pure substance; it is one form of pure carbon.
No, carbon is not a heterogeneous mixture. It is not a mixture because it is an element. The term heterogeneous can only be applied to mixtures.
Homogeneous because you can't see the carbon in the sand.
carbon disulphide
Neither. Carbon dioxide is a pure substance, not a mixture.
Neither. Carbon dioxide is a pure substance, not a mixture.
It is heterogeneous mixture because the carbon dioxide is not completely dissolved, and easily spotted.
CO2 is a pure substance and so is homogeneous. Hint: if it has a chemical formula then it is a pure substance.
Pure substance; it is one form of pure carbon.
Smoke is heterogeneous mixture and is easily separable as it's main constituents are Carbon and Oxygen.
A heterogeneous mixture is a sum of pure substances which are not soluble in each other while a homogeneous mixture is a mixture wherein its constituents do not appear separately. Methanol is an example of a homogeneous mixture.
A smoke is solid particles dispersed in a gas, so it is heterogeneous.
it is a compound
Diamond is formed from carbon with some inclusion of trace minerals, for colour.