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Ph

Ph

Assessment

Presentation

Science

Professional Development

Hard

Created by

James Gonzalez

FREE Resource

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

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  • ​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?

1

It can calibrate up to 3 point of pH range

2

Siut for sample with unknown pH

4

Multiple Choice

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

1

3.5M

2

3M

3

2.5M

4

1M

5

Multiple Choice

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

1

KCL Solution

2

Distilled Water

3

Deionised Water

6

Multiple Choice

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

1

Don't do anything

2

Wipe the probe

3

Blot-dry the probe

7

Multiple Choice

Which part of the pH meter should immersed in solution?

1

Bulb only

2

Junction only

3

Bulb & Junction

8

Multiple Select

Why do we need to rinse the probe with distilled water?

1

To wash away the extra solution on the surface of probe

2

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?

1

7.02

2

6.94

3

7.10

4

7.06

10

Multiple Choice

What extra item are need for calibration of pH meter Hanna HI8014 compared to HI8424?

1

Distilled Water

2

Screwdriver

3

No difference

4

pH Buffer 10

11

media

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

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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