all colour tests

Question 1

copper sulfate colour

Answer 1

blue

Question 2

copper oxide colour

Answer 2

black

Question 3

copper carbonate colour

Answer 3

green

Question 4

copper metal colour

Answer 4

pink/orange/brown

Question 5

sulfur colour

Answer 5

yellow

Question 6

lithium flame test

Answer 6

red

Question 7

copper flame test

Answer 7

blue-green

Question 8

calcium flame test

Answer 8

orange-red

Question 9

sodium flame test

Answer 9

yellow

Question 10

sulfur flame

Answer 10

blue

Question 11

magnesium flame

Answer 11

bright white

Question 12

hydrogen flame

Answer 12

yellow/orange

Question 13

colour change when heating copper carbonate to form copper oxide

Answer 13

green to black

Question 14

colour change when reducing copper oxide with methane

Answer 14

black to pink-orange/orange-brown

Question 15

colour change when adding chlorine water to potassium iodide

Answer 15

colourless to brown

Question 16

colour change when adding chlorine water to potassium bromide

Answer 16

colourless to orange

Question 17

colour change when adding bromine water to potassium iodide

Answer 17

colourless to brown

Question 18

anion carbonate test

Answer 18

add acid
effervescence

Question 19

anion halide test

Answer 19

add HNO3 then AgNO3

Question 20

anion chloride test

Answer 20

white pp

Question 21

anion bromide test

Answer 21

cream pp

Question 22

anion iodide test

Answer 22

yellow pp

Question 23

anion sulfate test

Answer 23

add HCL then BaCl2
white pp

Question 24

cation Fe2+ test

Answer 24

sludgy green pp

Question 25

cation Fe3+ test

Answer 25

orange-brown pp

Question 26

cation Cu2+ test

Answer 26

blue pp

Question 27

pH1-3 universal indicator colour + state

Answer 27

red - strong acid

Question 28

pH4-6 universal indicator colour + state

Answer 28

orange - weak acid

Question 29

pH7 universal indicator colour + state

Answer 29

green - weak alkali

Question 30

pH11-14 universal indicator colour + state

Answer 30

purple - strong alkali

Question 31

chlorine colour an state before + after solution

Answer 31

pale green gas to colourless

Question 32

bromine colour an state before + after solution

Answer 32

red liquid to orange

Question 33

iodine colour an state before + after solution

Answer 33

dark grey solid - brown

Question 34

test for chlorine

Answer 34

damp blue litmus paper turns red then bleaches white

Question 35

test for ammonia

Answer 35

damp red litmus paper goes blue

Question 36

chemical test for water

Answer 36

anhydrous copper sulfate goes from white to blue