heterogeneous and homogeneous is not the same so the substance is homogeneous and the mixture is heterogenous..
Homogenous mixture of two metals.
Ca is an element. It is a pure substance, which, by definition, is homogeneous matter, but is 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.
Quartz is a homogeneous substance. It is the compound silicon dioxide, SiO2.
Homogeneous substance
Pure Iron is considered as Homogeneous. Whereas, Iron with rust or other impurities is Heterogeneous.
homogeneous
wood is a heterogeneous substance..
Sugar is a compound, which is a homogeneous substance, but not a mixture.
homogeneous have same substance in mixture.heterogeneous have two different substance.
It is a pure substance.
Homogeneous mixture
If you can see through it, it's homogeneous. If you can't, it's heterogeneous.
Homogeneous mixture
pure substance
Granite is a rock, a non-homogeneous mixture of minerals.