Brainscape's Knowledge GenomeTM

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


See full index

chemistry > chemical tests > Flashcards

chemical tests Flashcards

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

crimson flame

A

lithium

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

yellow flame

A

sodium

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

lilac flame

A

potassium

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

orange/red flame

A

calcium

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

green flame

A

copper

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

sodium hydroxide: soluble white percipitate

A

aluminium

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

sodium hydroxide: insoluble white percipitate

A

calcium or magnesium

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

test for carbonate ions

A
  • add dilute acid to sample
  • bubble gas (effervescence) produced through limewater
  • turns cloudy/milky
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

test for halide ion

A
  • add dilute nitric acid
  • add silver nitrate
  • determine colour of precipitate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

silver nitrate + white precipitate

A

chloride ion

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

silver nitrate + cream precipitate

A

bromide ion

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

silver nitrate + yellow precipitate

A

iodide ion

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

test for sulfate ion

A
  • add dilute hydrochloric acid
  • add barium chloride
  • white precipitate = sulfate ions present
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

sodium hydroxide: blue precipitate

A

copper (Cu2+)

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

sodium hydroxide: green precipitate

A

iron II (Fe2+)

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

sodium hydroxide: brown precipitate

A

iron III (Fe3+)

17
Q

what is the formula of an alkane?

A

C(n)H(2n+2)

18
Q

what is the formula of an alkene?

A

C(n)H(2n)

19
Q

what is the test for alkenes?

A
  • shake with bromine water
  • colour change from orange to colourless indicates the presence of alkenes

chemistry (3 decks)

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