Question

a mixture has no fixed composition whereas a compound has; Explain what this means , using hydrogen, oxygen , and water to illustrate your answer.​

Answer 1

Answer:

A mixture has no definite composition whereas compound has a fixed composition. Hydrogen and oxygen are both gases. Together, when two atoms of hydrogen and one atom of oxygen  reacts, water is formed.A mixture is when two or more substances combine physically together. However, in water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone. ... Therefore, water is not a mixture; it is a compound and it is pure.

Explanation:

Answer 2

Answer:

Unlike a compound, a mixture does not have a fixed chemical composition. The substances in a mixture can be combined in any proportions. A mixture also does not involve a chemical reaction.

Explanation:

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