Subjects
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Mixtures | 12 mins | 0 completed | Learn Summary |
Scientific Notation | 6 mins | 0 completed | Learn |
Accuracy & Precision | 5 mins | 0 completed | Learn |
Standard Deviation, Mean, Median & Mode | 7 mins | 0 completed | Learn |
Metric Prefixes | 17 mins | 0 completed | Learn Summary |
Significant Figures | 18 mins | 0 completed | Learn Summary |
Energy, Heat and Temperature | 7 mins | 0 completed | Learn Summary |
Physical & Chemical Changes | 7 mins | 0 completed | Learn Summary |
Dimensional Analysis | 28 mins | 0 completed | Learn |
Density | 14 mins | 0 completed | Learn Summary |
End of Chapter 1 Problems | 51 mins | 0 completed | Learn |
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Filtration |
Types of Energy |
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The Scientific Method |
Physical & Chemical Properties |
Consider the following substance
I. saline IV solution
II. salt (NaCl)
III. aluminum foil
IV. salad dressing
Which of the following is true?
A) I and III are pure substances, IV is a homogeneous mixture.
B) I and II are homogeneous mixtures
C) Both II and III are pure substances, I is a homogeneous mixture
D) None of the above is true
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