CBA1 Review Question Preview (ID: 44083)


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When classifying mixtures and solutions, which of the following would be in its own separate category?
a) Trail mix made with dried fruit, nuts, chocolate drops, and pretzels
b) Sand, salt. and rocks in a bucket
c) Water in a cup
d) Rocks and sand in the ocean

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 liquid to a gas.
b) It will change from a gas to a solid.
c) It will change from a liquid to a solid
d) It will change from a gas to a liquid.

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) Trail mix
b) Lemonade
c) Assorted nuts
d) vegetable salad

Air is made of different gases that are mixed evenly together. The gases that make up air form a -
a) solid
b) mixture
c) solution
d) gas

Which of the following is NOT a mixture?
a) cereal and milk
b) salt water
c) box of crayons
d) books on a shelf

What happens in a solution of sugar water?
a) The sugar dissolves in the water
b) The substances form a solid
c) The sugar sinks in water
d) The water changes to a gas

Which is NOT a solution?
a) Lemonade
b) Fruit smoothie with real fruit
c) diet soda
d) gelatin dessert

Beaker 1 contains salt water and Beaker 2 contains sugar water. Both beakers contain -
a) solids
b) solutions
c) mixtures
d) gases

Which of the following mixtures could be separated with magnet?
a) plastic cups and paper cups
b) wooden blocks and plastic blocks
c) pencil leads and rubber erasers
d) aluminum cans and iron cans

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) dissolves in water, but the sand does not
d) can be removed with a magnet, but sand cannot

Which mixture could be separated easily by pouring it through a paper towel?
a) milk and water
b) sand and water
c) salt and water
d) juice and water

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 are not easily separated while other mixtures are easily separated
b) solutions form new substances while other mixtures do not form new substances
c) solutions are a mixture of only two substances while other mixtures can mix 3 or more substances
d) solutions may change their physical properties while other mixtures keep their physical properties

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