reactivity series/ SALT ANAYSIS / IGCSE /GCSE WORK SHEET

work sheet 2


1.Give example for Fe shows variable
valency…………………………………………………

What is reactivity series?

2.Give the order…………………………………

3.What do you know about the reactivity of and displacement reaction?

………………………………………

4.A copper dipped in silver nitrate solution .

5.What is observation that you seeAfter 2hours…………………………

6.Iron nail dipped in copper sulphate ……………………………………

7.Silver nail dipped ii copper sulphate……………………………………

8.Copper nail in iron sulphate……………………………..
(Important portion)

Cat ionFlame color

Lithium(Li+Sodium (Na+)Potassium( k+)Calcium( ca2+)

test for gases oxygen------------------

carbon dioxide----------------

hydrogenchlorine-----------------------

Sulpher dioxide----------------------

ammonia--------------------------

Test for anionsChloride(Cl-)-----------------------

Bromide(Br ---------------------------

Iodide (I-)-----------------------

Sulphate(so42+)---------------------

Sulphite( S2_)-----------------

Carbonate(CO32_)------------------

Test for cat ionAmmonia (NH4+)----------

Copper (Cu2+)---------------

Iron( Fe2+)-----------------

9.The pure iron get from the furnace has little use only?

10.The pure iron is rustingGive good methods to prevent rusting……

11.Give the chemical name of rust.………………………..

12.Why not cool air is blown from bottom.Temperature in side furnace get reduced