Brainscape's Knowledge GenomeTM

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


See full index

o level science chemistry > QA > Flashcards

QA Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Biology 101 flashcards Organic Chemistry 101 flashcards
1
Q

carbonate test

A

add dilute acid; effervescence and carbon dioxide produced

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

chloride in solution test

A

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

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

sulfate in solution test

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
4
Q

ammonium

A

effect of aq. sodium hydroxide: ammonia produced on warming

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

calcium

A

effect of aq. sodium hydroxide: white ppt. insoluble in excess

effect of aq. ammonia: no ppt.

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

copper (II)

A

effect of aq. sodium hydroxide: light blue ppt, insoluble in excess

effect of aq. ammonia: light blue ppt, soluble in excess giving a dark blue solution

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

iron (II)

A

effect of aq. sodium hydroxide: green ppt. insoluble in excess

effect of aq. ammonia: green ppt. insoluble in excess

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

iron (III)

A

effect of aq. sodium hydroxide: red-brown ppt, insoluble in excess

effect of aq. ammonia: red brown ppt, insoluble in excess

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

zinc

A

effect of aq. sodium hydroxide: white ppt., soluble in excess giving a colourless solution

effect of aq. ammonia: white ppt., soluble in excess giving a colourless solution

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

lead (II)

A

effect of aq. sodium hydroxide: white ppt., soluble in excess giving colourless solution

effect of aq. ammonia: white ppt., insoluble in excess

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

ammonia gas

A

turns damp red litmus paper blue

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

carbon dioxide

A

gives white ppt. with limewater (ppt. dissolves in excess carbon dioxide)

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

chlorine

A

bleaches damp litmus paper

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

hydrogen

A

“pops” with lighted splint

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

oxygen

A

relights a glowing splint

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

sulfur dioxide

A

turns aqueous potassium manganate (VII) from purple to colourless

o level science chemistry (21 decks)

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