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dq 1
Gases (graded)
Matter exists in three different states: solid, liquid, and gas. Depending upon its physical properties, matter will be found in one of these states at ambient temperature and pressure.
Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let’s see how many different examples we can describe.
dq 2
Acids and Bases (graded)