Nitrogen is a homogeneous substance. If you had, say, a bottle of compressed nitrogen gas, you'd have a whole bunch of diatomic molecules of nitrogen (N2) floating around in there. It'd be the same anywhere within the bottle, so it would not be hetrogeneous.
Nitrogen is not a mixture it's an element.
Homogeneous substance
Ammonia is a compound, not a mixture. Household ammonia is a homogeneous mixture of ammonia and water.
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.
No. It is an element, which is homogeneous matter.
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.