Write an activity to show the reaction of bases with metals???
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Bring a burning candle near the gas filled bubbles. The gas present in a soap bubble burns with a 'pop' sound. Result: Only 'hydrogen' gas burns making a 'pop' sound.
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Take about 10 ml of dilute sodium hydroxide (NaOH) solution in a test tube. Add a few granules of zinc metal to it. Worn the contents of the test tube, tie up the bag tightly and keep it over night in the fridge. Observation : Check the odours of the cloth strips.
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