In the experimental set-up to show that CO2 is released during respiration, the correct test to identify released CO2 is by :
(A) passing the gas through lime water.
(B) passing the gas through bent tube in water.
(C) passing the gas through KOH solution.
(D) passing the gas through coloured water.
CBSE Class X Science VSA (1 Mark)
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(C) passing the gas through KOH solution.
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