Can't Judge A Powder
7 Questions
| Attempts: 180
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Questions and Answers
- 1.
How long is this event?
- A.
25 mins
- B.
60 mins
- C.
50 mins
- D.
40 mins
Correct Answer
C. 50 mins -
- 2.
What must we provide for this event?
- A.
Thermometer, beakers, pencil
- B.
PH paper, hand lens, volt tester
- C.
Powder, observation sheet, hand lens
- D.
Hot plate, pH paper, thermometer
Correct Answer
B. PH paper, hand lens, volt tester -
- 3.
Do we write do observations or inferences?
- A.
Observations
- B.
Inferences
- C.
I dont know.
Correct Answer
A. Observations -
- 4.
What is the proper use of pH paper?
- A.
Drop the paper in the liquid.
- B.
Drop the paper halfway into the liquid.
- C.
Pour the liquid onto the paper.
- D.
Use the end of a stirring rod to spot the paper.
Correct Answer
D. Use the end of a stirring rod to spot the paper. -
- 5.
What does solubility mean?
- A.
Ability to dissolve.
- B.
Able to float.
- C.
Can absorb water.
Correct Answer
A. Ability to dissolve. -
- 6.
What is the pH of table salt?
- A.
7-8
- B.
6
- C.
5
- D.
7
Correct Answer
B. 6 -
- 7.
Are judges going to collect our samples?
- A.
No
- B.
Yes
Correct Answer
B. Yes -
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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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