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11 Cards in this Set
- Front
- Back
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Which of the following mass units is the largest?
Milligram Nanogram Kilogram Mircogram |
Kilogram
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Which of the following is classified as a homogenous mixture?
Air Iron Milk Sugar |
Air
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Which of the following units of length is the smallest?
100pm 200cm .001m 5.0m |
100pm
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Which of the following is an example of a chemical change
A certain metal melts at 150C Sugar dissolves in coffee A small puddle of gasoline evaporates A stain is removed from clothing with bleach |
A stain is removed from clothing with bleach
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Which of the following represents a chemical property of sodium?
Its grey in color It has a density of .968g/cm Its melting point is 97.7 It reacts violently with water |
It reacts violently with water
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Which of the following is the warmest in temperature?
200 K 90F 100C |
100C
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Which of the following is classified as a compound?
Glucose Sodium Air Rubbing alcohol |
Glucose
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Which of the following has the greatest number of significant figures?
0.000073 0.001610 2,524 430.00 |
430.00
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Which of the following best describes gases?
Particles are relatively far apart and are in constant random motion? They have high viscosity compared to liquids Their molecules exhibit strong attractive forces They have a definite shape and volume |
Particles are relatively far apart and are in constant random motion?
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Which of the following is not a pure substance?
Water Carbon dioxide Table sugar Vinegar |
Vinegar
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Liquids are said to be miscible if they
react chemically with water Have a high boiling point Form a bilayer like oil and water Are completely soluble in each other |
Are completely soluble in each other
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