WorksheetsProperties of Matter, Pure Substances and Mixtures
Total questions: 15
Worksheet time: 15mins
substance made of two or more elements that are chemically combined is a set ratio
compound
chemical formula
molecule
atom
pure water, salt, carbon dioxide are all examples of?
Pure substances (elements)
mixtures
Pure substances (compounds)
Reactions
What is a pure substance?
Two or more substances that are mixed together
A mixture that has different properties
Contains only one substance that always have the same properties no matter where they come from
A substance that can't be broken down into any other substance
Types of pure substances are
Elements
Compounds
Elements and compounds
None of the above
Which of the following is not a pure substance?
Gold
Fruit juice
Diamond
Table salt
Which of the following is a pure substance?
Baking soda
Brass
Chicken noodle soup
Bitumen
Which food listed below is an example of a mixture
Table salt
Pure sugar
Trail mix nuts
Food can't be a mixture
A salad is an example of a
Pure substance
Solution
Boring choice of food
Mixture
Distilled water is a type of
Solution
Mixture
Tap water
Pure substance
Which of the following is a mixture
Gunpowder
Sulfuric acid
Lithium
All of the above
Any material consisting of only one type of atom is classified as what?
A compound
An element
A heterogeneous mixture
A homogeneous mixture
Most materials we use and encounter daily are ______.
elements
compounds
pure substances
mixtures
Which of the following best describes a mixture?
A combination of two or more substances that are chemically bonded
A combination of two or more substances that retain their individual properties
A single substance with a fixed composition
A substance that cannot be separated into simpler substances
What is the main difference between a pure substance and a mixture?
Pure substances have a variable composition, while mixtures have a fixed composition
Pure substances can be separated by physical means, while mixtures cannot
Pure substances have a fixed composition, while mixtures have a variable composition
Pure substances are always elements, while mixtures are always compounds
Which of the following is an example of a homogeneous mixture?
Sand and iron filings
Oil and water
Salt dissolved in water
A bowl of cereal with milk
