From the mixtures given, select homogeneous: a) air; b) blood; c) turbid water; d) suspension of lime in water.

air is a homogeneous mixture. Homogeneous mixtures are those in which all the components that make up them are in the same phase (state of aggregation): gaseous, solid or liquid. Since the water in the air is in a vaporous state, air is a gaseous homogeneous mixture.

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