State whether the following statement is true or false?

A pure substance consists only of one element or one compound while a mixture consists of two or more different substances, not chemically joined together.

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True

False

answer is A.

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Detailed Solution

The above statement is true.
●        A pure substance only contains one type of matter, meaning that every particle is the same. It has a known composition and dependable characteristics. It cannot be physically divided into less complex substances. The melting and boiling points of all pure substances are recognisable. Either a compound or an element is a pure substance.
●        A mixture consists of two or more components that can be physically separated in any ratio. There are two categories of mixtures: homogeneous and heterogeneous. The components may be present in any combination in a mixture. Their typical melting and boiling points do not exist. Each component maintains its own qualities when combined. These can be physically segregated from one another.

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