Hỗn hợp các chất

Multiple Choice

Why is it important to distinguish between pure substances and mixtures in everyday life?

• It helps us understand the properties and uses of materials around us.

• It makes cooking easier.

• It helps us avoid drinking water.

• It is only useful for scientists.

Open Ended

Explain how you can identify whether a sample is a pure substance or a mixture using observations and examples from daily life.

Fill in the Blanks

When you add salt to water, the salt acts as the

in the solution.

Multiple Select

Which of the following statements about solutions (dung dịch) is correct? Select all that apply.

• A solution is a homogeneous mixture.

• A solution always contains only one substance.

• A solution consists of a solute and a solvent.

• A solution can be separated by filtration.