Can't Judge A Powder
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What does solubility mean?
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Ability to dissolve.
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Able to float.
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Can absorb water.
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- 2.
Do we write do observations or inferences?
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Observations
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Inferences
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I dont know.
Correct Answer
A. Observations -
- 3.
How long is this event?
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25 mins
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60 mins
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50 mins
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40 mins
Correct Answer
A. 50 mins -
- 4.
What must we provide for this event?
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Thermometer, beakers, pencil
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PH paper, hand lens, volt tester
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Powder, observation sheet, hand lens
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Hot plate, pH paper, thermometer
Correct Answer
A. pH paper, hand lens, volt tester -
- 5.
Are judges going to collect our samples?
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No
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Yes
Correct Answer
A. Yes -
- 6.
What is the proper use of pH paper?
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Drop the paper in the liquid.
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Drop the paper halfway into the liquid.
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Pour the liquid onto the paper.
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Use the end of a stirring rod to spot the paper.
Correct Answer
A. Use the end of a stirring rod to spot the paper. -
- 7.
What is the pH of table salt?
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7-8
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6
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5
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7
Correct Answer
A. 6 -
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Jan 20, 2010Quiz Created by
Imadancingfrog
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