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Filtration/Evaporation Lab

Last updated about 4 years ago

17 questions

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Question 17

17.

Explain why the separation techniques in this lab can be used to separate water form salt- but cannot be used to separate the hydrogen from oxygen in water.

Question 1

1.

Describe the appearance of unknown residue A on the filter paper

Question 2

2.

Describe the appearance of the residue left following evaporation

Question 3

3.

Describe the crystal structure (if present)

Question 4

4.

Name the three substances in the unknown

Question 5

5.

Describe the appearnace of residue on the filter paper of unknown B

Question 6

6.

Describe the appearance of residue left following evaporation

Question 7

7.

Descibe the crystal structure if present

Question 8

8.

Name the three substances in the unknown substance B

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Expain why technique A above would not be effective in separating mixture of salt, sugar and water?

Question 14

14.

Explain why technique B above would not be effective in separating a mixture of salt, sugar and water.

Question 15

15.

Draw a mixture of hydrogen and oxygen.

Question 16

16.

Draw a compound of hydrogen and oxygen

Name the separation technique

A. evaportion

B. filtration

Name the separation technique

A. evaporation

B. filtration

Which technique would be useful for separating sand and saltwater?

A. technique A

B. technique B

Which technique would be useful for separating salt from water

A. technique A

B. technique B