Worksheet : Chemical Reaction and Equations
1. What is meaning of chemical reaction?
2. What does the symbol(aq) represent in a chemical equation?
3. What is wrong with the following equation:
Mg + 2O -----> 2MgO
4. What will happen when we provide heat to Lead nitrate?
5. What will happen when we provide heat to Ferrous sulphate hepta hydrate?
6. If bromide of silver come in contact of sunlight than what will happen?
7. Which gas is evolved on heating Calcium Carbonate?
8. What is formula of Quick lime?
9. Which gases are evolved at anode and cathode on the electrolysis of water?
10. Why should magnesium ribbon be cleaned before burning in air?
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