Test - Unit 2 Matter
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• When two or more substances are physically combined the result is a(n).
A. Mixture Unit 2, Concept 1, page 3
• Three examples of physical change are.
B. Boiling water, blowing up a balloon, and melting a candle Unit 2, Concept 2, page 10
• Increasing the surface area of a solid
A. Increases the speed of dissolving Unit 2, Concept 4, page 33
• A flask containing molecules of gas a and a separate flask containing molecules of gas b are both at the same temperature. Gas a and b must have equal?
D. Average kinetic energies Unit 2, Concept 3, page 26
• a type of matter formed by chemically joining two or more elements is known as a
A. Compound Unit 2, Concept 1, page 2
• Which shows the Tyndall effect?
A. Colloids Unit 2, Concept 1, page 3
• Which term best describes when particles escape from the surface of a liquid and become gaseous
B. Evaporation Unit 2, Concept 3, page 28
• Using the data table on the right determine the identity of a cube that measures 1.2cm on each side and has a mass of 18.15 grams
B. Silver Unit 2, Concept 2, page 9
• Fragrance of a flower
PP physical property Unit 2, Concept 2, page 8
• In terms of saturation how would you classify a KNO3 solution of 30g in 100 g of water at 40c
Unsaturated Unit 2, Concept 4, page 32
• Name one similarity between compounds and homogeneous mixtures and one difference
They are both matter, but a compound is and substance and a homo mixture is a mixture Unit 2, Concept 1, page 4