Green leaves give off oxygen in sunlight, Biology

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Green leaves give off oxygen in sunlight

Place some water weed under a funnel in a beaker of water reverse a test tube full of water over the tube of the funnel. Leave the apparatus in strong sunlight. Bubbles of gas will be liberated from the weed and rise to the top of the test tube. In a short time the tube can be separate and the gas tested with a glowing splint

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