A person adds a spoonful of sugar to a glass of water. The sugar crystals can first be seen, but as the person stirs, the sugar disappears and the liquid becomes clear. Is this a mixture or a pure substance?

This is a mixture because the liquid is clear in the end.

This is a pure substance because the liquid is clear in the end.

This is a mixture because it is made of two pure substances: sugar and water.

This is a pure substance because it is made of two molecules: sugar and water.

The answer choice which represents the type of substance this is; This is a mixture because it is made of two pure substances: sugar and water.

What is the difference between a Mixture and a pure substance?

A pure substance put simply is a matrix of matter which consists only of one element or one compound. However, a mixture on the other hand consists of two or more different substances, not chemically binded together.

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