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Pure air is homogeneous because all components are completely miscible.
CO2 is a pure substance and so is homogeneous. Hint: if it has a chemical formula then it is a pure substance.
homogeneous
Airt is a homogeneous mixture.
Since gold is an element and therefore a pure substance it is homogeneous.
Homogeneous substance
pure air is homogeneous but dusty air is heterogeneous
No, it is a homogeneous substance.
Pure Iron is considered as Homogeneous. Whereas, Iron with rust or other impurities is Heterogeneous.
wood is a heterogeneous substance..
homogeneous
Sugar is a compound, which is a homogeneous substance, but not a mixture.
It depends. You can have a gaseous mixture such as air, which would be a homogeneous mixture. But a single gas such as oxygen or methane would be a pure substance.
Pure air is homogeneous because all components are completely miscible.
CO2 is a pure substance and so is homogeneous. Hint: if it has a chemical formula then it is a pure substance.
heterogeneous
homogeneous have same substance in mixture.heterogeneous have two different substance.