Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science alternative to practical > test for anions, cations and gases > Flashcards

test for anions, cations and gases Flashcards

1
Q

Test for ammonia

A

turns damp red litmus paper blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

test for carbon dioxide

A

turns limewater milky

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

test for chlorine

A

bleaches damp litmus paper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

test for hydrogen

A

‘pops’ with a lighted splint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

test for oxygen

A

relights a glowing splint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

test for carbonate (anions)

A

add dilute acid

- effervescence, carbon dioxide produced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

test for chloride (anions)

A

acidify with dilute nitric acid, then add aqueous silver nitrate
- white ppt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

test for iodide (anions)

A

acidify with dilute nitric acid, then add aqueous silver nitrate
- yellow ppt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

test for nitrate (anions)

A

add aqueous sodium hydroxide, then aluminium foil; warm carefully
- ammonia produced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

test for sulphate (anions)

A

acidify, then add aqueous barium nitrate

- white ppt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

aluminium (cations) + aqueous sodium hydroxide

A

white ppt, soluble in excess giving a colourless solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

ammonium + aqueous sodium hydroxide

A

ammonia produced on warming

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

calcium + aqueous sodium hydroxide

A

white ppt, insoluble in excess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

copper + aqueous sodium hydroxide

A

light blue ppt, insoluble in excess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Iron II + aqueous sodium hydroxide

A

Green ppt, insoluble in excess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Iron III + aqueous sodium hydroxide

A

Red-brown ppt, insoluble in excess

17
Q

Zinc + aqueous sodium hydroxide

A

White ppt, soluble in excess, giving a colourless solution

18
Q

aluminium + aqueous ammonia

A

white ppt, insoluble in excess

19
Q

calcium + aqueous ammonia

A

no ppt or very slight white ppt

20
Q

copper + aqueous ammonia

A

light blue ppt, soluble in excess, giving a dark blue solution

21
Q

Iron II + aqueous ammonia

A

green ppt, insoluble in excess

22
Q

Iron III + aqueous ammonia

A

Red-brown ppt, insoluble in excess

23
Q

Zinc + aqueous ammonia

A

white ppt, soluble in excess, giving a colourless solution

Science alternative to practical (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions