Separation techniques RGSHW - Phoenix Hoyle | Biblioteka

5

Match the labels

Drugi mogući odgovor:

Beaker

Samples

solvent

line in pencil

Chromatography paper

2

Drugi mogući odgovor:

above the solvent

in the solvent

6

A
B
C
X
one dot only
two or more dots

Pure sample
Mixture

1

Sample

A
B
C
D

Safe to drink
Not safe to drink

4

Select the correct option.

Note - the more soluble a dye is the further the dot will move.

Note - the more soluble the dye the larger the Rf value will be.

Note - the Rf value can not be more than 1.

Drugi mogući odgovor:

False

True

1

Drugi mogući odgovor:

1

smaller

more

less

0.5

larger

1

Drugi mogući odgovor:

A

3

4

C

2

1

B

1

Drugi mogući odgovor:

solvent

dissolve

paper

pencil

4

Drugi mogući odgovor:

different

ethanol

is

is not