12 September, 2015

Types of chemical reaction




Grade 7-Chemistry
Topic –Types of chemical reaction    
In this lesson, grade 7 students learnt about types of chemical changes by performing experiments individually in chemistry laboratory.
Experiment 1: To study double decomposition reaction by adding silver nitrate solution in sodium chloride solution.
Experiment 2: To study double decomposition reaction by adding dil hydrochloric acid in sodium hydroxide solution.
Students enjoyed this session and learnt to handle laboratory apparatus.

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