Question

Experiment an experiment briefly to check the presence of carbon dioxide

Answer 1

Answer:

Explanation:

PRESENCE OF CARBON DIOXIDE CAN BE DETECTED USING LIME WATER ie, CALCIUM HYDROXIDE SOLUTION. PASS THE GAS THROUGH LIME WATER AND IF CARBON DIOXIDE IS PRESENT THE LIME WATER WILL TURN MILKY DUE TO THE FORMATION OF CALCIUM CARBONATE

   

    CO₂ + Ca(OH)₂ ----------------->CaCO₃ +H₂O

                                            (white precipitate)

Answer 2

Explanation:

●CO2turns limewater milky

●KMNO4 does not had a effect of CO2