Topic 2 Distillation/Evaporation/Filtration

Question 1

Can Celsius be measured in negative scale?

Answer 1

Yes

Question 2

What are suitable techniques to separate an insoluble solid from a liquid

Answer 2

Filtration

Question 3

How do you separate a soluble solid from a liquid?

Answer 3

Filtration

Question 4

Name the equipment used in evaporation

Answer 4

Heat mat
Bunsen burner
Evaporation basin
Tripod

Question 5

How do we use evaporation/distillation/filtration in everyday life

Answer 5

Filtration- to purify water

Everyday- Tea bag filters the tea in hot water

Question 6

Name 1 example of distillation

Answer 6

Purifying rock salt

Making crude oil

Question 7

How does distillation work in terms of state changes?

Answer 7

Liquid is heated till it evaporates then gets cooled again and turns into liquid
Liquid-gas-liquid

Question 8

How does distillation work in terms of boiling points?

Answer 8

If you have a mixture of liquids with different boiling points, you can heat the mixture to the lowest causing one liquid to evaporate into a beaker and you repeat this process till all the liquids are separated.

Question 9

What is a real life example of distillation used in Scotland’s industry.

Answer 9

Separating Crude oil