Colorimetry and Spectrometry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Colorimetry and Spectrometry, 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 Colorimetry and Spectrometry 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 Colorimetry and Spectrometry mcq questions that explore various aspects of Colorimetry and Spectrometry problems. Each MCQ is crafted to challenge your understanding of Colorimetry and Spectrometry 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 Colorimetry and Spectrometry MCQs are your pathway to success in mastering this essential Analytical Instrumentation topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Colorimetry and Spectrometry. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Colorimetry and Spectrometry knowledge to the test? Let's get started with our carefully curated MCQs!

Colorimetry and Spectrometry MCQs | Page 8 of 10

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Q71.
Which of the following is the function of the chopper in Atomic Absorption Spectroscopy?

a.

To split the beam into two

b.

To break the steady light into a pulsating light

c.

To filter unwanted components

d.

To reduce the sample into atomic state

Discuss
Answer: (b).To break the steady light into a pulsating light
Q72.
Which of the following is the function of the Flame or Emission system in Atomic Absorption Spectroscopy?

a.

To split the beam into two

b.

To break the steady light into pulsating light

c.

To filter unwanted components

d.

To reduce the sample into atomic state

Discuss
Answer: (d).To reduce the sample into atomic state
Q73.
Atomic absorption spectroscopy is also called as Absorption Flame Photometry.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q74.
Which of the following is not a component of the emission system in Flame photometer?

a.

Burner

b.

Atomiser

c.

Fuel gases and their regulation

d.

Chopper

Discuss
Answer: (d).Chopper
Q75.
Which of the following is the function of the atomiser in the emission system of Atomic Absorption Spectroscopy?

a.

To split the beam into two

b.

To break the steady light into pulsating light

c.

To break large mass of liquid into small drops

d.

To reduce the sample into atomic state

Discuss
Answer: (c).To break large mass of liquid into small drops
Q76.
Which of the following is not a fuel used in flame photometry?

a.

Acetylene

b.

Propane

c.

Hydrogen

d.

Camphor oil

Discuss
Answer: (d).Camphor oil
Q77.
Which of the following is not the requirement of a good flame in flame photometer?

a.

Liquid sample must be evaporated to form solid residue

b.

Solid residue must decompose to form atoms

c.

Atoms must be produced such that they have the ability to get excited to higher states

d.

Atoms must be produced such that they are in stable state

Discuss
Answer: (d).Atoms must be produced such that they are in stable state
Q78.
Atomic Absorption Spectroscopy is used for the analysis of metals.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q79.
Which of the following options explains the process of ‘sputtering’ that occurs in Hollow Cathode Lamp?

a.

Positive ions collide with cathode surface and metal atoms from cathode are ejected

b.

Negative ions collide with cathode surface and metal atoms from anode are ejected

c.

Positive ions collide with negative ions and metal atoms from anode are ejected

d.

Positive ions collide with negative ions and photons are ejected

Discuss
Answer: (a).Positive ions collide with cathode surface and metal atoms from cathode are ejected
Q80.
At what pressure should the gases in the sealed tube be maintained in the Hollow cathode lamp?

a.

1 to 5 torr

b.

20 to 30 torr

c.

40 to 50 torr

d.

50 to 55 torr

Discuss
Answer: (a).1 to 5 torr
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