Ion Tests

Question 1

Flame test steps

Answer 1

1. Nichrome wire into HCL
2. Add compound to wire
3. Place in roaring flame + observe

Question 2

Flame test chemicals

Answer 2

Copper 2, Lithium, Potassium, Calcium 2, Sodium

Question 3

Cation test steps

Answer 3

1. Add solution to test tube
2. Add drops NaCH

Question 4

Cation test chemicals

Answer 4

Copper 2, Iron 2, Iron 3

Question 5

Ammonium Ion test steps

Answer 5

1. Add solution to test tube
2. Add NaOH + warm
3. Hold damp red litmus paper over test tube

Question 6

Ammonium test chemicals

Answer 6

Ammonia

Question 7

Carbonate test steps

Answer 7

1. Add solution to test tube
2. Add HCL
3. Put gas into lime water

Question 8

Carbonate test results

Answer 8

Turns from colourless to cloudy

Question 9

Sulfate ion test steps

Answer 9

1. Add solution to test tube
2. Add HCL
3. Add drops of Barium Chloride

Question 10

Halide test steps

Answer 10

1. Add solution to test tube
2. Add nitric acid
3. Silver nitrate

Question 11

Sulfate ion chemicals

Answer 11

sulfate

Question 12

Halide test chemicals

Answer 12

Chloride, Bromide, Iodide

Question 13

Fe 2+ (colour)

Answer 13

green

Question 14

Fe 3+ (colour)

Answer 14

brown

Question 15

Cu 2+ (colour)

Answer 15

blue

Question 16

Cl- (halide test)

Answer 16

white

Question 17

Br- (halide test)

Answer 17

cream

Question 18

I- (halide test)

Answer 18

yellow