AS Level AQA Chemistry, Inorganic, Test For Ions

1 of 19

Term



Outline how to carry out a flame test.




Add dilute hydrochloric acid to the
Add dilute nitric acid to the unknown
unknown compound. Add barium
compound. Add silver nitrate solution
chloride solution




Dip a nichrome wire loop in
concentrated hydrochloric acid.
A pH indicator like red litmus paper Dip the wire into the unknown
compound. Hold loop in the
clear blue part of the flame

, 2 of 19

Term



What indicate a positive result in the test for carbonate ions?




Fizzing and release of carbon
Formation of a solid precipitate
dioxide




Release of oxygen gas Color change and heat production




3 of 19

Term



What is used to test for carbonates?




Hydrochloric acid Phosphoric acid




Ammonia Perchloric acid