Class VII Learners prepared diluted solutions of Copper sulfate solution. They measured the copper sulfate powder using weighing machine and had taken tap water. They measure 5g, 2g. 1g, 0.5g copper sulfate solution. Then added equal amount of water. They mixed it well and observed the colour of solution in different test tubes. Most concentrated solution had darkest blue colour and dilute solutions have light colour. They understood the concept very well and enjoyed the activity.
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