A stream of air was successively passed through three tubes X, Y and Z containing a concentrated aqueous solution of KOH, red hot copper powder and fused calcium chloride respectively. What was the composition of the gas emanating from tube Z?

Favourbackup

1 year ago

the answer should be C please

Dave333

4 years ago

Am confused,Jamb remix chose D, 🤷, Should we say,They are wrong

101divine

3 months ago

The answer should be C only Nitrogen and Inert gases will remain

Joseph

3 months ago

The answer be C please,
From your explanation, you(MySchool) even explained that the water vapour would be absorbed by the Calcium Chloride, because CaCl2 absorbs moisture

deejathou

1 year ago

but how can you know that fused calcium chloride doesn't absorb all the water vapour

Haf43

1 year ago

No options

Oduesoadeola

12 years ago

CaCl drains every oxygen in the mixture of air

OBOTE LARRY

12 years ago

KOH reach with CO2 while Cu reach with O