pH Meters and Ion Analysers MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on pH Meters and Ion Analysers, a fundamental topic in the field of Analytical Instrumentation. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our pH Meters and Ion Analysers MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of pH Meters and Ion Analysers mcq questions that explore various aspects of pH Meters and Ion Analysers problems. Each MCQ is crafted to challenge your understanding of pH Meters and Ion Analysers principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Analytical Instrumentation tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our pH Meters and Ion Analysers MCQs are your pathway to success in mastering this essential Analytical Instrumentation topic.

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pH Meters and Ion Analysers MCQs | Page 15 of 16

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Q141.
If the differential amplifier gives a negative output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

a.

The concentration of silica in sample and reference solution is equal

b.

The concentration of silica in a reference solution is more than that in the sample solution

c.

The concentration of silica in sample solution is more than that in the reference solution

d.

Further processing is required to come to any conclusion

Discuss
Answer: (b).The concentration of silica in a reference solution is more than that in the sample solution
Q142.
Which of the following statements are true?

a.

More light is absorbed if the silica content is high in a solution

b.

More light is transmitted if the silica content is high in a solution

c.

Less light is absorbed if the silica content is high in a solution

d.

More light is absorbed if the silica content is low in a solution

Discuss
Answer: (a).More light is absorbed if the silica content is high in a solution
Q143.
How will the photodetector output be if silica content is high in a solution?

a.

The output will be high

b.

The output will be low

c.

The output will be zero

d.

Output cannot be determined

Discuss
Answer: (b).The output will be low
Q144.
What will be the final colour of the solution obtained during silica analysis?

a.

Pink

b.

Red

c.

Blue

d.

Yellow

Discuss
Answer: (c).Blue
Q145.
During the first sequence of the process, sample is added at the last.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q146.
Blank use compensates for the effect of temperature variation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q147.
Given below is a diagram of hydrogen electrode. Identify the unmarked component.

a.

Hydrogen at 1 atm

b.

Hydrogen at 10 atm

c.

Helium at 1 atm

d.

Helium at 10 atm

Discuss
Answer: (a).Hydrogen at 1 atm
Q148.
Given below is the diagram of glass electrode. Identify the unmarked component.

a.

Platinum leads

b.

Silver wire coated with silver chloride

c.

Copper wire

d.

Platinum reference electrode

Discuss
Answer: (b).Silver wire coated with silver chloride
Q149.
Given below is the block diagram of digital pH meter. Identify the unmarked component.

a.

Filter

b.

Buffer

c.

A/D converter

d.

D/A converter

Discuss
Answer: (c).A/D converter
Q150.
Given below is the diagram of liquid membrane electrode. Identify the unmarked component.

a.

Solid material

b.

Semi-permeable membrane

c.

Hydrophobic material

d.

Water absorbing material

Discuss
Answer: (c).Hydrophobic material
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