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CBA1 Review
Test Description: Review
Instructions: Answer all questions to get your test result.
1) When classifying mixtures and solutions, which of the following would be in its own separate category?
A
Sand, salt. and rocks in a bucket
B
Trail mix made with dried fruit, nuts, chocolate drops, and pretzels
C
Rocks and sand in the ocean
D
Water in a cup
2) A student fills a beaker with water and places it on a hot plate. How will the water in the beaker be affected by the addition of heat?
A
It will change from a gas to a solid.
B
It will change from a liquid to a solid
C
It will change from a gas to a liquid.
D
It will change from a liquid to a gas.
3) A student organized a list of food items he wanted to bring to his class picnic. Each type is a mixture. Which is also a solution?
A
Assorted nuts
B
Trail mix
C
vegetable salad
D
Lemonade
4) Air is made of different gases that are mixed evenly together. The gases that make up air form a -
A
gas
B
mixture
C
solid
D
solution
5) Which of the following is NOT a mixture?
A
books on a shelf
B
box of crayons
C
cereal and milk
D
salt water
6) What happens in a solution of sugar water?
A
The sugar dissolves in the water
B
The sugar sinks in water
C
The water changes to a gas
D
The substances form a solid
7) Which is NOT a solution?
A
Lemonade
B
gelatin dessert
C
diet soda
D
Fruit smoothie with real fruit
8) Beaker 1 contains salt water and Beaker 2 contains sugar water. Both beakers contain -
A
solutions
B
mixtures
C
solids
D
gases
9) Which of the following mixtures could be separated with magnet?
A
plastic cups and paper cups
B
aluminum cans and iron cans
C
pencil leads and rubber erasers
D
wooden blocks and plastic blocks
10) A mixture of sugar and water is different from a mixture of sand and water because when sugar is mixed with water, the sugar -
A
floats on top of the water, but sand sinks
B
can't be removed from water, but sand can
C
can be removed with a magnet, but sand cannot
D
dissolves in water, but the sand does not
11) Which mixture could be separated easily by pouring it through a paper towel?
A
sand and water
B
salt and water
C
juice and water
D
milk and water
12) Solutions are a type of mixture and share many similarities with other mixtures. One way that solutions may differ from other mixtures is -
A
solutions may change their physical properties while other mixtures keep their physical properties
B
solutions are not easily separated while other mixtures are easily separated
C
solutions are a mixture of only two substances while other mixtures can mix 3 or more substances
D
solutions form new substances while other mixtures do not form new substances
*select an answer for all questions
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