QSE 1 Review

Front

What happens to salt when it is added to water?

Back

Salt dissolves in water, but it does not disappear. It remains present in the solution.

Front

What is a solution?

Back

A solution is a mixture where one substance (solute) is dissolved in another (solvent), like sugar in water.

Front

What property of sugar remains unchanged when dissolved in lemonade?

Back

The taste of sugar remains the same when it is dissolved.

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into vapor, often leaving solid substances behind.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed without changing its identity, such as color, texture, or state.

Front

What does it mean for a substance to dissolve?

Back

To dissolve means to mix a solid into a liquid until it becomes part of the liquid.

Front

What is the physical state of matter?

Back

The physical state of matter refers to its form: solid, liquid, or gas.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

Front

What is an example of a solute and solvent in lemonade?

Back

In lemonade, lemon juice and sugar are solutes, and water is the solvent.

Front

What is the significance of boiling point in solutions?

Back

The boiling point is the temperature at which a liquid turns into vapor; it can change when substances are dissolved in it.