Free HESI A2 Chemistry Practice Test
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Question 1 of 10
1. Question
Scientific notation is used by scientists to write very large and very small numbers. Which option correctly represents the scientific notation of 0.000001846?
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Question 2 of 10
2. Question
Which of the following represents the correct electron configuration for sodium (Na)?
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Question 3 of 10
3. Question
Which of the states of matter have a definite volume?
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Question 4 of 10
4. Question
If a certain reversible reaction was at equilibrium, what would happen to this equilibrium if more reactants were added?
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Question 5 of 10
5. Question
What is the molarity of an aqueous solution with 0.40 moles of sugar dissolved in 5 liters of water?
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Question 6 of 10
6. Question
Which of the following describes a non-polar covalent bond?
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Question 7 of 10
7. Question
Which of the following represents the general form of a decomposition reaction?
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Question 8 of 10
8. Question
Lemon juice contains citric acid. Which of the following pH values would lemon juice most likely have?
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Question 9 of 10
9. Question
Cesium-137 has a half-life of 30 years. If a 2.0 g sample of cesium-137 decays over 120 years, how much would remain?
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Question 10 of 10
10. Question
How many monosaccharides comprise an oligosaccharide?
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