2. Drop a small piece of zinc into a test tube containing 1-2 ml of
Experiment – Part A
Drop a small piece of zinc into a test tube containing 1-2 ml of
1.0 M hydrochloric acid solution.
Results
REACTANTS
PRODUCTS
Zinc + Hydrochloric Acid → ……………… …………………………..

3. 1. Complete and balance the equation.
TASKS
1. Complete and balance the equation.
Zinc + Hydrochloric Acid → ……………… ……………………..
……… ……………………… → …………………… ……………………….
Classify the reaction :
Combination reaction;
Decomposition reaction ;
Precipitation reaction;
Combustion reaction;
Neutralisation reaction; or a
Displacement reaction
What gas was formed?
………………………………………………………………..

4. Drop a small piece of iron into a test tube containing 1-2 ml of 1.0 M
Experiment – Part B
Drop a small piece of iron into a test tube containing 1-2 ml of 1.0 M
copper (II) sulfate solution.
Results
REACTANTS
PRODUCTS
iron + copper (II) sulfate → ………………………… …………………………….

5. TASKS
1. Complete and balance the equation.
……………………… ……………………. → ……………………… ……………………..
2. Classify the reaction. 3. The blue color in the copper sulfate solution is due to the presence of what ion? 4. Predict the color of a copper nitrate solution.