Analysing Substances

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What colour flame does lithium give when burnt?
Red
1 of 20
Which metal is yellow when burnt?
Sodium
2 of 20
what colour does barium give when burnt?
Green
3 of 20
what metal turns a flame lilac?
Potassium
4 of 20
what metal turns the flame brick red?
Calcium
5 of 20
What do you add to the unknown substance to test for a halide?
silver nitrate and dilute nitric acid
6 of 20
what colour would it turn if it contained chloride?
white
7 of 20
what does it mean if the substance mixed with nitric acid and silver nitrate went cream?
it contained bromide.
8 of 20
what does it mean if the substance went yellow?
it contained iodine
9 of 20
what do you add to calcium to make it a white precipitate?
sodium hydroxide
10 of 20
what does it mean if sodium chloride and the unknown substance turned blue?
it contained copper
11 of 20
what does Fe(II) turn to when mixed with sodium hydroxide?
green
12 of 20
what does Fe(III) turn to when mixed with sodium hydroxide?
brown
13 of 20
what colour does magnesium go when mixed with sodium hydroxide?
white
14 of 20
what colour does aluminium go when mixed with some sodium hydroxide?
white
15 of 20
how do you test if an unknown substance is a carbonate?
add the dilute acid to limewater
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what would the mixture look like for a positive reading for carbonate?
milky and it fizzes
17 of 20
which substance changes colour when you add an excess of NaOH? What colour does it turn to?
Aluminium- clear/colouless
18 of 20
adding barium chloride to the dilute acid is a test for what?
sulphate
19 of 20
what does the mixture look like if it was positive for barium?
a white precipitate
20 of 20

Other cards in this set

Card 2

Front

Which metal is yellow when burnt?

Back

Sodium

Card 3

Front

what colour does barium give when burnt?

Back

Preview of the front of card 3

Card 4

Front

what metal turns a flame lilac?

Back

Preview of the front of card 4

Card 5

Front

what metal turns the flame brick red?

Back

Preview of the front of card 5
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