W2 Oct S2 EOY Revision Chem 2

Bob wants to buy a new counter to place his knives on.

What property should he consider when choosing a material for the new counter?

• density

• flexibility

• hardness

• strength

Which of the following mixtures are suspensions? Select all options that apply.

• carbonated drinks

• cough syrup

• orange juice

• muddy water

Which of the following substances is/are elements?

(Select all that apply.)

• 
• 
• 
• 

Which of the following substances is a compound in the gaseous state?

• 
• 
• 
• 

The diagram shows properties of substances X, Y and Z.

A mixture of X, Y and Z is placed in a beaker of water and stirred well. The following steps are then taken.

The mixture is filtered through a filter paper.

The filtrate is obtained and placed in an evaporating dish.

The evaporating dish is heated to dryness using a Bunsen burner.

What is/are the substance(s) found on the evaporating dish at the end of the procedures? Select all options that apply.

• substance X

• substance Y

• substance Z

• no substances are left on the evaporating dish