Question

choose the correct answer. which of these is not a mixture? hydrogen and oxygen combined to make a molecule of water toy box full of toys sugar dissolved in lemon juice

Explanation:

A mixture is a combination of two or more substances where the substances retain their individual identities. In water (hydrogen and oxygen combined chemically), the hydrogen and oxygen atoms are bonded together to form a new substance with different properties from the original elements. This is a compound, not a mixture. A toy - box full of toys is a physical mixture of different toys. Sugar dissolved in lemon juice is a solution, which is a type of mixture.

Answer:

hydrogen and oxygen combined to make a molecule of water