C8-Chromatography

Question 1

Define Formulations

Answer 1

A substance with a specific quantity made for a specific purpose

Question 2

Define a substance which is pure

Answer 2

A substance with only 1 compound in it

Question 3

What does this mean the temperature of a pure substance will be?

Answer 3

A specific temperature

Question 4

What is difference between mobile and stationary phase during chromatography

Answer 4

Mobile=part that moves(ink)

Stationary=part that doesn’t(paper)

Question 5

Step by step, explain chromatography experiment

Answer 5

1-Draw solvent and base line in pencil
2-Use capillary tube to add on ink
3-Put in beaker with water in
4-As water goes up ink samples move further up (more soluble ink means it spends more time up)

Question 6

What is the purpose of chromatography

Answer 6

To see the distance travelled by a particular ink and see if it has any other inks in it.

Question 7

Test for oxygen

Answer 7

Lit splint, will relight

Question 8

Test for chlorine

Answer 8

Litmus paper, bleaches white

Question 9

Test for carbon dioxide

Answer 9

Put in limewater, goes cloudy

Question 10

Test for hydrogen

Answer 10

Lit splint, squeaky pop