Quiz Results

Quiz	Purity, formulations and chromatography
Name	M o s a m m a t S a k h a w a t
Email	h o m e s c h o o l m u m 0 5 @ g m a i l . c o m
Result	FAILED
Score	4 / 6 (66.7%)
Passing score	4.8
Quiz took	1 min 07 sec
Quiz finished at	2023-04-05 14:19:01

Responses

Paints contain several components. Which of the following is NOT a normal component of paint?

Awarded Points: 1

Correct Response: spectroscopes

User Response: spectroscopes

One simple, reliable and safe way of judging the purity of a substance is by

Awarded Points: 1

Correct Response: comparing its melting or boiling points with the known melting or boiling points.

User Response: comparing its melting or boiling points with the known melting or boiling points.

The ratio between the distance travelled by the dissolved substance (the solute) and the distance travelled by the solvent in chromatography, is known as the

Awarded Points: 1

Correct Response: Rf value

User Response: Rf value

Mixing precise amounts of substances is known as a

Awarded Points: 1

Correct Response: formulation

User Response: formulation

If a substance contains only one type of element or compound, it is known as being

Awarded Points: 0

Correct Response: pure

User Response: impure

What are the two phases of chromatography?

Responses

Awarded Points: 1

Correct Response: spectroscopes

User Response: spectroscopes

Awarded Points: 1

Correct Response: comparing its melting or boiling points with the known melting or boiling points.

User Response: comparing its melting or boiling points with the known melting or boiling points.

Awarded Points: 1

Correct Response: Rf value

User Response: Rf value

Awarded Points: 1

Correct Response: formulation

User Response: formulation

Awarded Points: 0

Correct Response: pure

User Response: impure

Awarded Points: 0

Correct Response: mobile phase and stationary phase

User Response: moving phase and stationary phase