pH Meter

pH Meter Quiz​

Are you ready for some challenging quizzes?

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*Note: Some questions has more than one correct answers​

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By Pang Shu Ting

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.​

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

Multiple Choice

The probe of Hanna pH meter should be immersed in how many Molar of KCI?

• 3.5M

• 3M

• 2.5M

• 1M

Multiple Choice

Were you should store you pH meter probe when not in use?

• KCL Solution

• Distilled Water

• Deionised Water

Multiple Choice

What you should do after rinsing the probe with distilled water?

• Don't do anything

• Wipe the probe

• Blot-dry the probe

Multiple Choice

Which part of the pH meter should immersed in solution?

• Bulb only

• Junction only

• Bulb & Junction

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

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

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

You have now learned about pH meter! See you again in our next newsletter.

Congratulations!