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IPC Unit 1 Test Review
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Why is it important to waft vapors?
Question 1 Why is it important to waft vapors?
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To protect the respiratory tract!
Question 1 Answer To protect the respiratory tract!
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Why is important to use clean glassware and store it properly?
Question 2 Why is important to use clean glassware and store it properly?
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To prevent contamination
Question 2 Answer To prevent contamination
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Question 3 When boiling water and using a thermometer, what safety precautions should you take?
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Question 3 Answer Fire blanket, goggles, lab apron, know where the safety equipment is located
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Question 4: Which piece(s) of glassware would measure volume?
Triple beam balance Beaker Hot plate Bunsen burner Graduated cylinder
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Question 4 Answer Beaker Graduated Cylinder
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Question 5 Which piece of glassware would give you the most precise measurements? Beaker Pipette Graduated Cylinder
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Question 5 Answer Graduated Cylinder
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Question 6 When using chemicals, do you ever put the chemicals back into the original container?
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Question 6 Answer NO!
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Question 7 Before you mass something on an balance, what should you do?
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Protect the balance with weigh paper or a paper towel
Question 7 Answer Protect the balance with weigh paper or a paper towel
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Question 8 Which measurements are precise? 31, 35, 32 56, 59, 58
45.1, 44.9, 45.0 78, 71, 64
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Question 8 Answer 45.1, 44.9, 45.0
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Question 9 To get an accurate reading from a graduated cylinder, what do you read?
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Question 9 Answer Meniscus
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Question 10 What is the volume on this graduated cylinder?
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Question 10 Answer 21.2 mL
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Question 11 Which group is the most precise? Density (g/mL) Group 1
Trial 1 0.889 1.045 1.082 Trial 2 1.012 1.046 1.023 Trial 3 1.065 1.044 1.085 Average 0.988 1.063
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Question 11 Answer Group 2 Density (g/mL) Group 1 Group 2 Group 3
Trial 1 0.889 1.045 1.082 Trial 2 1.012 1.046 1.023 Trial 3 1.065 1.044 1.085 Average 0.988 1.063
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Question 12 If you are precise, are you accurate?
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Question 12 Answer NO!
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Question 13 If you are accurate, are you precise?
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Question 13 Answer YES!
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Question 14 Changing phase from solid to gas
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Question 14 Answer Sublimation
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Question 15 Liquid to Gas
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Question 15 Answer Evaporation (through the boiling process)
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Question 16 Gas to Liquid
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Question 16 Answer Condensation
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Question 17 Gas to Solid
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Question 17 Answer Deposition
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For the next questions, determine whether the answer is a solid, liquid or gas…
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Question 18 Particles vibrate
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Question 18 Answer Solid
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Question 19 Particles vibrate and can slide past each other
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Question 19 Answer Liquid
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Question 20 No definite shape or volume
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Question 20 Answer Gas
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Question 21 Particles arranged in a definite pattern
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Question 21 Answer Solid
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Question 22 Particles move freely
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Question 22 Answer Gas
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Question 23 Particles can form crystals
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Question 23 Answer Solids
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Question 24 Particles have definite shape but no definite volume
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Question 24 Answer Liquids
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