Term
| Decreasing the temperature |
|
Definition
Which of the following would not increase the rate at which a solid dissolves?
-stirring
-decreasing the temperature
-crushing the solid
-increasing the temperature |
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Term
|
Definition
Which of the following best describes chicken noodle soup?
-solution
-element
-compound
-mixture |
|
|
Term
| decreasing the temperature |
|
Definition
Which of the following increases the solubility of a gas in a liquid?
-decreasing the amount of liquid
-increasing the temperature
-stirring
-decreasing the temperature |
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Term
|
Definition
An element that conducts thermal energy well and is easily shaped is a
-metal
-nonmetal
-metalloid
-none of the above |
|
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Term
|
Definition
A ______________ can be used to separate a powdered mixture of the elements iron and aluminum.
-Centrifuge
-heat source
-magnet
-filter |
|
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Term
|
Definition
Which of the following processes could break down a compound into simpler substances?
-grinding
-filtration
-electrolysis
-distillation |
|
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Term
|
Definition
Which of the following substances con be separated into simpler substances only by chemical means?
-sodium
-salt water
-gold
-water |
|
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Term
|
Definition
A solution that contains a large amount of solute is best described as
-unsaturated
-concentrated
-dilute
-weak |
|
|
Term
|
Definition
In which classification of matter are the components chemically combined?
-compound
-alloy
-suspension
-colloid |
|
|
Term
| can be broken down into simpler substances |
|
Definition
Which of the following does not describe elements?
-have a unique set of properties
-all particles are alike
-can be broken down into simpler
substances
-can join together to form compounds |
|
|
Term
|
Definition
Which of the following is a chemical property?
-flammability
-density
-melting point
-ductility |
|
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Term
|
Definition
The particles in both a suspension and a colloid can
-be soluble
-scatter light
-settle out
-pass through a fine filter |
|
|
Term
| react to form a new substance with new properties. |
|
Definition
When elements form compounds, the elements
-keep there original properties.
-react to form a new substance with
new properties.
-combine in a random fashion.
-always change their physical state. |
|
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Term
|
Definition
Which factor does NOT increase the speed at which a solid solute dissolves in water?
-stirring or shaking the mixture
-heating the mixture
-adding more solute
-crushing the solute |
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