Experiments

Question 1

Method- Titration

Question 2

What type of experiment is filtration?

Answer 2

separation- purification

Question 3

What type of experiment is crystalisation?

Answer 3

separation- purification

Question 4

What type of experiment is simple distillation?

Answer 4

separation- purification

Question 5

What type of experiment is paper chromatography?

Answer 5

Separation

Question 6

Method- filtration

Answer 6

1. set the funnel on top of a conical flask
2. fold the filter paper and place on funnel
3. pour mixture on to the funnel with the filter paper

Question 7

what apparatus are used for filtration?

Answer 7

filter paper
funnel
conical flask
(beaker with mixture)

Question 8

Method- crystalisation

Answer 8

1. set a tripod on top of a burner
2. place wire gauze on top
3. place a beaker with boiling water on top of the stand
4. place China dish with solution on top
5. light the burner and let the water evaporate

Question 9

what apparatus are used for crystalisation

Answer 9

tripod
wire gauze
burner
beaker
China dish

Question 10

Simple Distillation- method

Answer 10

1. set up experiment
2. heat up salt solution
3. when water evaporates, the water vapors rise
4. these vapors pass through condenser
5. the liquid drops to a beaker
6. after water evaporates, salt is left behind

Question 11

what apparatus are used for simple distillation

Answer 11

thermometer
distillation flask
burner (?)
condenser
conical flask

Question 12

Paper chromatography- method

Answer 12

1. paper is prepped with a pencil line drawn near the bottom and an ink sample on the line
2. solvent is created by heating water and ethanol
3. lower the paper into solvent
4. the dye should move upwards

Question 13

what is the solvent front

Answer 13

How much the water (solvent) moved up from the pencil/base line.

Question 14

how to find the Rf value

Answer 14

Rf (color)= distance spot moved/distance solvent moved