Identify each of the following as a chemical property (CP) or a physical property (PP):
Diamonds are capable of cutting glass.
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Isopropanol has a density of 0.78 g/ml.
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Water boils at 100 degrees Celsius.
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Wood is flammable.
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Bromine has a red color.
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Silver melts at 962°C.
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Gallium is a liquid at room temperature.
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Potassium reacts violently with water.
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Gold is very shiny.
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Sodium is so soft that you can cut it with a knife.
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Magnesium burns in the absence of oxygen.
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Carbon monoxide is odorless.
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Iron rusts in the presence of moisture.
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Vinegar has a pungent odor.
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Sodium chloride is a crystalline solid.
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Water does not burn.
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Aluminum combines with oxygen to form a protective oxide coating.
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Hydrogen gas is very flammable.
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Classify each of the following as a physical change (P) or a chemical change (C):
a)____________ ignition of gasoline in your car's engine
b)____________ an iPhone shattering on impact with the ground
c)____________ a candle burning
d)____________ washing the dishes
e)____________ a scab forming over a wound
Classify each of the following as a pure substance (P), homogeneous mixture (Hom), or heterogeneous mixture (Het):
a)______________ black coffee
c)______________ nitrogen gas
b)______________ air
d)______________ orange juice with pulp