pH Meter
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Science
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Professional Development
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shuting pang
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3 Slides • 8 Questions
1
pH Meter Quiz
Are you ready for some challenging quizzes?
*Note: Some questions has more than one correct answers
By Pang Shu Ting
2
Calibration
pH meter will be calibrate using buffer solution with pH 4, 7 and 10
it is done to ensure the reading is more accurate.
After calibration, the reading of buffer solution should within +/- 0.05.
3
Multiple Select
What are the advantages of using Mettler Toledo pH meter compared to Hanna pH meter?
It can calibrate up to 3 point of pH range
Siut for sample with unknown pH
4
Multiple Choice
The probe of Hanna pH meter should be immersed in how many Molar of KCI?
3.5M
3M
2.5M
1M
5
Multiple Choice
Were you should store you pH meter probe when not in use?
KCL Solution
Distilled Water
Deionised Water
6
Multiple Choice
What you should do after rinsing the probe with distilled water?
Don't do anything
Wipe the probe
Blot-dry the probe
7
Multiple Choice
Which part of the pH meter should immersed in solution?
Bulb only
Junction only
Bulb & Junction
8
Multiple Select
Why do we need to rinse the probe with distilled water?
To wash away the extra solution on the surface of probe
To prevent contamination of solution
9
Multiple Choice
What is the possible pH should the meter shows when the probe immerse in pH 7.0 buffer after calibration has been done?
7.02
6.94
7.10
7.06
10
Multiple Choice
What extra item are need for calibration of pH meter Hanna HI8014 compared to HI8424?
Distilled Water
Screwdriver
No difference
pH Buffer 10
11
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Congratulations!
pH Meter Quiz
Are you ready for some challenging quizzes?
*Note: Some questions has more than one correct answers
By Pang Shu Ting
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