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AI - Exercise Chromatography

Authored by Filiana Santoso

Chemistry

12th Grade - University

NGSS covered

Used 13+ times

AI - Exercise Chromatography
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two or more substances that are mixed together but not chemically combined is a ___

compound
mixture
keratin
chromatography

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Ink can be separated by a method of -----------------------------------------------

distillation

filtration

chromatography

sedimentation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

chromatography separates the mixture of dyes on the basis of their ----------------------------

density
solubility
gravity
boiling point

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is chromatography?

A way to see pretty colors

A laboratory technique used to separate a mixture.

A form of distillation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mobile phase is

a solid or liquid that is fixed in place

one that moves over or through an immobilized phase that is fixed in place in a column or on the surface of flat plate

a process in which species are washed through a chromatographic column by addition of fresh solvent

is the time interval btw its injection onto a column and the appearance of its peak at the other end of the column

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

TLC stands for...

Tender Love & Care

Thick Layer Chromatography

Thin Layer Chromatography

Thin Liquid Chromatography

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

In TLC substances are separated because of differences in_______. Tick all that apply.

polarity

molecular size

concentration

electronegativity

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