Classification of Matter by Composition

Which choice is not a physical state of matter?
1. Mixture
2. Solid
3. Gas
4. Liquid
Which substance is not an example of a liquid?
1. Rice
2. Bleach
3. Milk
4. Water
Which substance is not an example of a pure substance?
1. Milk shake
2. Water
3. Sugar
4. Olive oil
Which substance is not an example of a mixture?
1. Cornstarch
2. Pizza
3. Soft drink
4. Salad
Which mixture is not a mechanical mixture?
1. Plain Jello
2. Alphabet soup
3. Sand
4. Box of nails
Your blood, when magnified, reveals several different kinds of cells. Based on this information, your blood is an example of a
1. Mechanical mixture
2. Homogenous mixture
3. Gaseous substance
4. Pure substance
Which statement about substance classification is false?
1. Milk is a pure substance because it is a solution of different molecules
2. Pizza is a mechanical mixture because you can see its components with your naked eye
3. Solutions as well as pure substances can be described as homogenous
4. A cake mix may look like a pure substance but it is not because it contains different types of particles such as flour, sugar and baking soda
Which choice does not correctly complete the sentence about tea with sugar added?

Sweetened tea is a
1. mechanical mixture.
2. mixture.
3. solution.
4. homogenous mixture.
A sucker (made of hard transparent candy) appears homogenous with the exception of the stick you hold it with.

When you crush the candy with a hammer, you notice that it shatters into crystals, which look very much alike. When you melt it in a cup in the microwave it melts into a homogenous liquid. You read its ingredient label: sugar, artificial colour, and natural flavour. Based on this investigation, the sucker candy is an example of a
1. solution.
2. mechanical mixture.
3. pure substance.
4. heterogeneous mixture.
You examine table sugar under a microscope and see that it is made up of identical crystals.

You place it in a cup and melt it in the microwave. It becomes a homogeneous golden liquid. You read the ingredient list on the box and find that only one ingredient is listed: refined sucrose. The evidence you gathered indicate that table sugar is an example of a
1. pure substance.
2. heterogeneous mixture.
3. solution.
4. mechanical mixture.

Classification of Matter by Composition - Section 7.1 Quiz