Test - Unit 2 Matter
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• The color of ink is a ___.
Physical Property Unit 2, Concept 2 p.g 8
• Three examples of physical changes are…
Boiling water, blowing up a ballon, and melting a candle.
• A flask containing molecules of a gas A and a separate flask containing molecules of gas B are both at the same temperature. Gases A and B must have ____.
Average kinetic energies
• Which shows the Tyndall Effect?
Colloids Unit 2, Concept 1 p.g 3
• Which term best describes when particles escape from the surface of a liquid and becomes gaseous?
Evaporation Unit 2, Concept 3 p.g 28
• Inflating a tire
Physical Change Unit 2, Concept 2 p.g 10
• Rusting of a fishing pole
Chemical change Unit 2, Concept 2 p.g 10
• How many grams of NaClO3 are needed to make a saturated solution in 100g of water at 90 degrees Celsius?
180g Unit 2, Concept 4 p.g 32
• At what temperature is the solubility of KBr the same as that of KNO3
35 degrees Celsius
• The solubility of which salt is the least affected by temperature?
NaCl
• Solid • Melting • Liquid • Boiling • Gas What are the other two heat of what?
• Heat of Fusion 7. Heat of vaporization