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Blood is generally considered what type of matter?

Answer and explanation

Correct answer: Heterogeneous mixture

The direct answer is C: a heterogeneous mixture. Blood contains plasma, red blood cells, white blood cells, platelets, dissolved substances, and other components. These components are not one single pure substance and are not chemically bonded in one fixed formula. Blood is therefore a mixture. In school classification, whole blood is generally treated as heterogeneous because its cellular components are dispersed in plasma and can be separated or observed as different parts; its composition is not uniform at the microscopic level. Option A is wrong because an element contains only one kind of atom, whereas blood has many substances. Option B is wrong because a compound has elements chemically combined in a fixed ratio, which blood does not have as a whole. Option D is wrong because blood is a liquid containing several components, not a pure gas. Memory cue: blood is not one formula; many components together make it a mixture.

Related tags

ChemistryNature-Of-MatterClass-11

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