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Flashcards in tests and shit Deck (18):
1

test for potassium

lilac flame

2

calcium

blick red

3

lithium

crimson red

4

Sodium

yellow

5

copper(II)

blue precipitate with sodium hydroxide NaOH

6

Iron (II)

Green precipitate with sodium hydroxide NaOH

7

Iron (III)

red brown precipitate with sodium hydroxide NaOH

8

Ammonia compound

add NaOH (sodium hydroxide) and ammonia gas is given off, test for amonia gas is damp red litmus paper turns blue

9

Carbonates

HCl, CO2 will be released, lime water turns cloudy

10

Sulphates

HCl (to remove carbonates or sulfite ions), then Barium chloride solution, white precipitate forms

11

Cl-

nitric acid (to remove carbonate and sulfite) then silver nitrate white precipitate

12

Br-

nitric acid (to remove carbonate and sulfite) then silver nitrate cream precipitate

13

I-

nitric acid (to remove carbonate and sulfite) then silver nitrate Yellow precipitate

14

Soluble salts

Sodium potassium and ammonium

15

Nitrates solubility

all soluble

16

Chlorides solubility

all exept for silber chloride

17

sufates solubilitty

all exept for barium and calcium sulphate

18

carbonates solubility

all exept for sodium potassium and ammonium