Which statement correctly describes why a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

Option (d) is the correct answer.

Explanation:

When two or more different atoms are chemically bonded together then it results in the formation of a pure substance known as a compound.

A compound contains definite proportions of its constituent atoms, therefore, it is pure in nature. Whereas a mixture does not contain its constituent atoms in definite proportions and hence, it is impure in nature.

Thus, we can conclude that out of the given options the statement, a compound is a pure substance because it consists of two different elements, which are pure substances correctly describes why a compound is a pure substance.

OPTION D IS INCORRECT THE ANSWER IS B

Explanation:

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