In our school on every Saturday we took ThinkTac activities for 7th students . Today we did an experiment which is on DIY Base (Membrane ) . Through this activities students came to know about how Sodium hydroxide base is prepared in Industries and also where we use the NaOH in our daily life .
We used turmaric powder, wires ,cell , water , NaCl and copper plate . this experiment feels very much interest in students . My students got involved and they clearly observed all the observations so that the experiment felt curious and happy for them. Also they learnt the application of NaOH, Cl2 and H2 in various field .
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