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Pure substances are those that are composed of only one element or compound. Fog is made up of water, along with the various elements and compounds that make up the Earth's atmosphere. Therefore, fog is not a pure substance.
Noble Bogan
Wiki User
∙ 15y agoYes it is a compound. Fog is caused by fine droplets of water in the air. Water is a compound (H2O).
Wiki User
∙ 13y agoFog is a mixture of water and air, which is itself a mixture..
Wiki User
∙ 14y agoNo, smog is a mixture of pollutants (harmful compounds).
Wiki User
∙ 10y agono
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