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प्रश्न
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:
what control experiment can be set up for comparison?
उत्तर
For control experiment, the beaker will contain the water. At the same time, instead of the sugar solution; the thistle funnel with the cellophane paper tied on its mouth and inverted in the beaker will also contain water.
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