Which statements are true of heterogeneous mixtures? 1) They settle out. 2) The proportions of solute to solvent may vary. 3) The solute is evenly distributed throughout. 4) They are composed of two solvents and two solutes. 1 and 2 2 and 4 3 only 2 only

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Which statements are true of heterogeneous mixtures? 1) They settle out. 2) The proportions of solute to solvent may vary. 3) The solute is evenly distributed throughout. 4) They are composed of two solvents and two solutes. 1 and 2 2 and 4 3 only 2 only

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1 and 2

Explanation:

Heterogeneous mixtures basically refer to any solution that is not uniform in composition. A typical example is a solution of water and sand.

1)

By nature, they settle out. The denser part of the solution drops down and the lighter component stays up.

2)

The proportions may change because it is a mixture. There is no fixed ratio of solvent t dissolved.

3)

The solution is not evenly distributed which is why it is referred to as a non-uniform mixture.

4)

They do not necessarily contain a hot solvent and two solutions.

The right choices are option 1 and option 2 only.