Question

When you add NaHCo3 to acetic acid in a test tube, a gas liberates imediately witg brisk effervescence.Name this gas.Describe tge method of testing this gas.

Answer 1

CO2 is a gas liberates when you add NaHCO3 to acetic acid.
TEST FOR CO2:-
Place a piece of blue litmus paper on the test tube containing CO2 gas, the litmus paper will turn blue to red.
OR, If u pass a CO2 gas through lime water, water turns turns cloudy. This is because the lime water contain calcium hydroxide, when CO2 is pass through it solid ppt of calcium carbonate forms.