Instrumentasi Kimia II

Instrumentasi Kimia II

University

10 Qs

quiz-placeholder

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Instrumentasi Kimia II

Instrumentasi Kimia II

Assessment

Quiz

Chemistry

University

Hard

Created by

nadhratun naiim Mobarak

Used 6+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is chromatography?

A way to see pretty colors

A form of distillation

A laboratory technique used to separate a mixture.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a sample is less polar the choice of the separation column in Gas chromatography should be

polar column

non polar column

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The retention factor is used

to zero the chromatography scale

to retain solvent

to identify unknown compounds in a sample

as a starting tool for chromatography

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 'ICP-MS' stand for?

Inductively coupled plasma mass spectrometry

Inductively coupled proton mass spectrometry

Intensively coupled plasma mass spectrometry

Interaction coupled proton mass spectrometry

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name an ionization technique which uses a coronal discharge needle to form molecular ions prior to charge transfer with an analyte

Electrospray Ionization

Atmospheric Pressure Photoionization

Matrix –Assisted Laser Desorption Ionization

Atmospheric Pressure Chemical Ionization

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

GC- MS has been developed for which of the following systems?

Packed column

Open tubular column

Capillary column

Porous layer column

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following problems occur when combining gas chromatography and mass spectroscopy?

Difference in operating pressures

Reduction in sensitivity

Direct identification is not possible

It does not permit direct introduction of the effluent

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