Chmistry Ion Test

Question 1

Flame test for lithium

Answer 1

Crimson

Question 2

Flame test for sodium

Answer 2

Yellow

Question 3

Potassium flame test

Answer 3

Lilac

Question 4

What flame test is orange

Answer 4

Calcium

Question 5

Copper flame test

Answer 5

Green

Question 6

Colour of precipitate when aluminium is mixed with sodium hydroxide solution

Answer 6

White- dissolves in excess of

Question 7

Colour of precipitate when calcium is mixed with sodium hydroxide solution

Answer 7

White- no change in excess

Question 8

Colour of precipitate when magnesium is mixed with sodium hydroxide solution

Answer 8

White- hot change in excess

Question 9

Colour of precipitate when copper is mixed with sodium hydroxide solution

Answer 9

Blue

Question 10

Colour of precipitate when iron (ll) is mixed with sodium hydroxide solution

Answer 10

Green

Question 11

Colour of precipitate when iron (lll) is mixed with sodium hydroxide solution

Answer 11

Brown

Question 12

How to test for carbonate and effect

Answer 12

Limewater, hydrochloric acid and carbonate mixed causes bubbling
and solution to turn cloudy

Question 13

Test for sulfate ions and effect

Answer 13

Add a few drops of hydrochloric acid and a few drops of barium chloride
and a white ppt forms

Question 14

What is the halide test

Answer 14

Add nitric acid and a few drops of silver nitrate and observe ppt colour

Question 15

Ppt colour for halide ion chlorine

Answer 15

White

Question 16

Ppt colour for halide ion bromine

Answer 16

Cream

Question 17

Ppt colour for halide ion iodide

Answer 17

Yellow

Question 18

What steps do you do for flame test

Answer 18

1. Dip clean wire loop in a solid sample of compound being tested
2. Put loop into edge of blue flame from Bunsen burner
3. Observe and record flame colour produced