Grade 8 Test Feb 2025

Ink can be separated by a method of -----------------------------------------------

• distillation

• filtration

• chromatography

• sedimentation

What is the correct image of paper chromatography???

• 
• 
• 

What is chromatography?

• A way to see pretty colors

• A laboratory technique used to separate a mixture.

• A form of distillation

Two or more substances that are mixed together but not chemically combined create a...

• solvent

• compound

• mixture

Why is Chromatography useful?

• It can be used as medicine.
• It can be used for finding clues at a crime scene
• It can be used to make bombs.
• It can reduce the lack of food and water.

Whose blood was found at the crime scene?

• John
• Lisa
• Bob
• Sure

Which is the correct set up for simple distillation?

• A

• B

Which is the correct set up?

• A

• B

Saltwater was separated using a simple distillation set-up. Identify the distillate.

Predict the reading on the thermometer during the separation of saltwater. _____ ^oC