Properties Of Matter Ch 2 #2 Question Preview (ID: 6935)


Review Of Properties Of Matter Ch 2 For Test. TEACHERS: click here for quick copy question ID numbers.

Which of these isn't the way to recognize a chemical change?
a) A change in color
b) Production of a gas
c) Formation of a precipitate
d) Change in smell

What is a chemical change?
a) Any characterisitic of a material that can be observed.
b) A force that holds atoms or ions together as a unit
c) A change occuring when some property of a material changes but the substance stays the same
d) Change that occurs when a substance reacts and forms one or more new substances

Which of these is a good example of malleability?
a) Gold
b) Wood
c) Glass
d) Concrete

In a heterogenous mixture,
a) The parts of the mixture are noticeably different from one another.
b) The parts of the mixture are evenly distributed (and you can't really tell a substance from another)
c) A mixture that separates into layers over time
d) A mixture with intermediate sized particles

Distillation is different from filtration because it
a) separates particles based on their size
b) separates particles based on their melting point
c) separates particles based on their boiling point
d) separates particles based on their freezing point

Flammability
a) is a material's ability to burn in the presence of oxygen.
b) is how readily a substance combines chemically with other substances.
c) is when a substance reacts and forms one or more new substances.
d) is when a solid forms and separates from a liquid mixture.

Conductivity
a) is a material's ability to allow heat to flow
b) is a material's ability of a solid to be hammered without shattering
c) is the tendency of a liquid to keep from flowing
d) is a heterogenous mixture

Precipitate
a) is when a solid forms and separates from a liquid mixture.
b) is when a substance reacts and forms one or more new substances.
c) is how readily a substance combines chemically with other substances.
d) is a material's ability to burn in the presence of oxygen.

If you leave a tray of ice cubes out in the open and they turn to liquid (water), what is this an example of?
a) Water's melting point
b) Water's boiling point
c) Water's viscosity
d) Water's freezing point

The temperature at which a substance boils is the
a) melting point
b) boiling point
c) viscosity
d) reactivity

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