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Y7 Chromatography formative

Last updated 3 months ago

14 questions

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What is chromatography mainly used for?

To separate mixtures

To heat substances

To measure weight

To create colors

Which of the following is a common type of chromatography?

Paper chromatography

Waterfall chromatography

Sound chromatography

Color chromatography

In chromatography, the substance that moves slower is called the stationary phase.

True

False

What do you call the liquid that moves the components in chromatography?

Solvent

Temperature

Container

Solution

Which of these items can be used in paper chromatography? (Select all that apply)

Water

Coffee filter

Solvent

Marker ink

What happens to the colors in a marker when you use chromatography?

They disappear

They mix together

They separate

They stay the same

All substances will travel the same distance in chromatography.

True

False

What is the purpose of using chromatography in science?

To find sunglasses

To identify substances

To catch insects

To play music

What does the 'mobile phase' refer to in chromatography?

The stationary part

The part that moves

The part that reacts

The part that warms up

Chromatography can be used to separate the colors in a black marker.

True

False

Which of the following tools might you find in a chromatography lab?

Bunsen burner

Syringe

Measuring cup

All of the above

What are some factors that can affect chromatography results? (Select all that apply)

Type of solvent

Size of molecules

Type of paper

Temperature

Once chromatography is complete, we can never see the original mixture again.

True

False

Why do scientists perform chromatography on food items?

To see how tasty it is

To separate different chemicals

To change its color

To make it bigger