click below
click below
Normal Size Small Size show me how
Pershing Chem 1and3
Pershing Chem 1 and 3
Question | Answer |
---|---|
What unit of measurement do you use to describe a solid cube of aluminum | grams / cm cubed |
What chemical property is responsible for wood burning? | flammability |
What property of matter measures gravitational force on an object? | weight |
What is an example of a chemical change? | milk going sour |
Why does ice float on water? | liquid water is more dense than ice |
If there are several layers of liquid in a granulated cylinder, where is the most dense liquid? | on the bottom (and the least dense is on the top) |
What is not a common sign that a chemical change has taken place? | change in state of matter (ice to water is not a chemical change) |
What is an example of a physical change? | melting ice cubes |
What does density describe? | the relationship between mass and volumn |
A substances malleability is an example of what kind of property? | a physical property |
What is a compound? | a pure substance made of 2 or more elements that are chemically combined |
What way could you have sugar dissolve more quickly? | use warmer water |
What is an alloy? | solid solution of metal or nonmetal dissolved in a metal |
Which is the solvent when salt is mixed into a glass of water? | the salt |
Properties of both solutions and suspensions are part of what? | a colloid |
When is a solution formed? | When particles of 2 or more substances are evenly distributed among each other |
How is a compound different from a mixture? | in a compound, the substances loses their characteristic properties |
What can the particles do in both a solution and a colloid? | they can pass through a fine filter |