cation tests

Question 1

Test for Lithium

Answer 1

Flame test: red

Question 2

Test for Sodium

Answer 2

Flame test: Yellow

Question 3

Test for Potassium

Answer 3

Flame test: lilac

Question 4

Test for Calcium

Answer 4

Flame test: Red-orange

Question 5

Test for Copper

Answer 5

Flame test: Green
Add NaOH : Blue ppt

Question 6

Test for Iron (II)

Answer 6

Flame test then add NaOH: Green ppt

Question 7

Test for Iron (III)

Answer 7

Flame test then add NaOH: Brown ppt

Question 8

Test for Ammonium

Answer 8

Flame test then add NaOH.
Warm tube.
Test gas with damp red litmus paper: litmus paper would turn blue