Chemistry Unit Review

Solutions

100

What is the solute in a salt and water solution?

salt

200

Fill in the equation:

 _____ + ______ = solution

Solvent + solute = solution

300

What is known as the universal solvent?

Water

400

Name 2 other solvents other than water.

Alcohol, turpentine, milk, acetone, steel, etc.

500

What is the solute in 14 K gold?

Another type of metal (silver, nickel, copper, etc.)

Definitions

100

______: the mixture of water and waste that is flushed dow toilets and sink drains

Sewage

200

_____: A device used to separate the components of a mixture, with many visible holes that allow smaller solids pieces and liquids to pass through, while blocking the larger solid pieces

Sieve

300

______: physically separating large pieces of a mechanical mixture so that similar pieces are together

sorting

400

______: a solution in which more solute can be dissolved

Unsaturated solution

500

____: the study of matter and its changes

Chemistry

Environmental issues

100

What are 3 common ways chemicals get into our water?

Examples: litter, factories, down our sinks and drains, run-off from mines, farms, or roadways.

200

What does CFL stand for?

Compact fluorescent lightbulb

300

What is single stream recycling?

When all types of recycling go into one bin and get sent to the same recycling facility. This is what is used in Canada (its not very good!)

400

Give 2 reasons why most oil spills in oceans are not cleaned completely.

1. Very expensive

2. Difficult to complete

3. Takes a long time 

500

List 3 consequences ducks have to deal with when their feather get oil on them.

1. Not insulating anymore

2. They are no longer water repellant

3. Can cause skin burns

4. They cant clean themselves

Concentration

100

What is a concentrated solution?

A solution with a large number of solute particles in a given volume of solution

200

What is the units for concentration?

g/mL   or g/100mL

mass/volume

300

Is a saturated solution considered concentrated or dilute?

Concentrated

400

A solution has 15 grams of sugar in 100 mL of solution, what is the concentration (include units)

0.15 g/mL

500

What does GRASS stand for?

Given

Required

Analysis

Solution

Statment

Pure substance or Mixture?

100

Pure substance, mechanical mixture, or solution?

Apple juice

solution

200

Pure substance, mechanical mixture, or solution?

Distilled water

Pure substance

300

Pure substance, mechanical mixture, or solution?

Aluminum foil

Pure substance

400

Pure substance, mechanical mixture, or solution?

A heterogenous mixture

Mechanical mixture

500

Pure substance, mechanical mixture, or solution?

Steel

Solution