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10 questions
Show answers
- Q1All of the following are examples of surface tension EXCEPT --dropping paper clips into a full glass of waterathletic clothing that allows you to keep coolan insect "walking" on waterraindrops forming beads when they fall on the car windshield30s
- Q2Which of the following is NOT a property of water?exists only as a liquidsurface tensionuniversal solventpolar molecule60s
- Q3Water is called the "universal solvent" because --it is found throughout the universeit dissolves in many substancesit dissolves more substances than any other liquidit exists in only one physical state60s
- Q4What property of water helps its molecules "stick" together?One side of the molecule is negative and the other side is positive.Both sides of the molecule are positive.Both sides are magnetic.Both sides of the molecule are negative.60s
- Q5How many atoms of oxygen does a water molecule contain?130260s
- Q6Which substance will NOT dissolve in water?SugarSaltBleachOil60s
- Q7The water contained in a piece of fruit is in the form of --a solida gasplasmaa liquid60s
- Q8Which statement is NOT an example of condensation?Breathing on a car windowDew on the grass outsideDrops on the outside of a drinking glassLetting your hair air dry after swimming60s
- Q9Why does ice float on water?The strong polarization of water pushes the ice to the surfaceDissolved salts make ice float in waterSolid water (ice) is less dense than liquid waterSolid water (ice) is more dense than liquid water60s
- Q10What is the freezing point of water in degrees Celsius?212 degrees100 degrees0 degrees32 degrees60s