test for cations

Question 1

metal cations in aqueous solution can be identified by the colour of the precipitate they form on addition of _____

Answer 1

sodium hydroxide

Question 2

copper ion forms a ______ when sodium hydroxide is added

Answer 2

light blue

Question 3

iron cation forms a

Answer 3

green precipitate

Question 4

Fe3+ forms

Answer 4

brown precipitate ion

Question 5

NH4+ produces

Answer 5

ammonia gas which turns damp red litmus paper blue