Asked by michelle
state the chemical reagent that is used to demonstrate that expired air contains carbon dioxide
Answers
Answered by
Pathney
It is proven by the colour of the limewater that CO2 is present in the expired/exhaled air after air is blown in the beaker
Answered by
Belinda
Yes ,I agree with Pathneythe lime water will turn milky with the presence of the expired air
Carbondioxide
Carbondioxide
Answered by
Belinda
And the chemical reaction for the expirement showing how expired air contains carbon dioxide is
Ca(0H)2+Co2-CaCo3+H20
Ca(0H)2+Co2-CaCo3+H20
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