Question

multiple choice questions
answer the following multiple choice questions about the reading

1. what is the term for a substance that disappears when mixed into a solvent?

a. solvent
b. insoluble
c. solute
d. solubility

1. according to the reading passage, what is one factor that can affect how much of a

solid dissolves in water?
a. the amount of light
b. the color of the solid
c. the size of the container
d. the temperature of the water

1. why dont oil and water mix?

a. oil is too thick to mix with water.
b. oil is heavier than water.
c. water is too thin to mix with oil.
d. oil and water are made of different tiny parts that are not attracted to each other.

1. based on the reading passage, why do some liquids dissolve in water while others do

not?
a. because the tiny parts of some liquids are attracted to water, while others are not.
b. because some liquids are heated before being mixed with water, increasing their
solubility.
c. because some liquids are heavier than water, causing them to dissolve more easily.
d. because some liquids are naturally more soluble than others, regardless of their
composition.

1. according to the reading passage, how does temperature affect the solubility of solids

in water?
a. colder water may allow more of a solid to dissolve.
b. temperature does not affect the solubility of solids in water.
c. temperature only affects the rate at which a solid dissolves, not the amount.
d. hotter water may allow more of a solid to dissolve.

1. the reading passage mentions that oil and water do not mix. what characteristic of

oil is described as the reason for this?
a. oil is made of tiny parts that are not attracted to water.
b. oil is denser than water.
c. oil is a solute, not a solvent.
d. oil is always a saturated solution.

Explanation:

1. A solute is a substance that dissolves in a solvent.
2. Temperature affects solubility of solids in water.
3. Oil and water don't mix as their molecules (tiny parts) aren't attracted.
4. Liquid - water mixing depends on molecular attraction.
5. Higher temperature (hotter water) generally increases solubility of solids.
6. Oil - water non - mixing is due to oil's molecule (tiny part) non - attraction to water.

Answer:

1. C. Solute
2. D. The temperature of the water
3. D. Oil and water are made of different tiny parts that are not attracted to each other.
4. A. Because the tiny parts of some liquids are attracted to water, while others are not.
5. D. Hotter water may allow more of a solid to dissolve.
6. A. Oil is made of tiny parts that are not attracted to water.