Question

prove that air we breathe out is carbon dioxide by using aim Apparatus used theory procedure observation and discussion​

Answer 1

THE AIR WE BREATHE OUT IS NOT ONLY CARBON DIOXIDE IT IS RICH IN CARBON DIOXIDE.

SO TAKE A TUBE WITH LIME WATER IN IT .PUT A STRAW IN THE TUBE THEN BREATHE IN FROM NOSES AND BREATHE OUT FROM MOUTH THROUGH STRAW IN THE TEST TUBE OK YOU WILL FIND THAT LIME WATER IN THE TEST TUBE WILL BECOME MILKY. .....

IT PROVES THAT THE AIR WE BREATHE OUT IS RICH IN CARBON DIOXIDE.

THE REACTION IS

Ca(OH)2(aq)+CO2(g)----------CaCo3(s)+H2O(l)