Unit 9 Part 1 and 2 Test 23/24

Water boils at 100˚C. What is this an example of?

• Physical property
• Chemical property
• Physical change
• Chemical change

This picture represents which of the following?

• element
• compound
• mixture
• atom

When a solution is saturated________________.

• You need to stir it more
• No additional material will dissolve in it
• Two materials have combined to create a clear liquid
• Crystals form

What conclusion can be made using this solubility curve?

• Decreasing temperatures always increases solubility
• Increasing temperatures always increases solubility
• Temperature has no affect on solubility
• Increasing temperatures usually increases solubility

A solution containing a SMALL amount of solute compared with the amount of solvent present is called _____.

• Concentrated
• Conductive
• Insoluble
• Diluted

A solution containing a LARGE amount of solute compared with the amount of solvent present is called _____.

• Diluted
• Conductive
• Unsaturated
• Concentrated

How many grams are needed to saturate HCl at 50 degrees Celsius?

• 75g
• 92g
• 68g
• 58g

A solution of Brass contains 73% copper and 27 % zinc. What is the solvent?

• Brass
• Water
• Zinc
• Copper

What elements generally make an ionic bond?

• metal and a metal
• metal and a metalloid
• nonmetal and a nonmetal
• metal and a nonmetal

Sugar is added to tea to make sweet tea. In chemical terms the sugar is the ___________ and the tea (mostly water) is the

• endothermic, exothermic.
• reactant, product.
• chemical, dissolution.
• solute, solvent.