Question

If you take a pinch of sodium hydrogen-carbonate powder is a test tube and add drop by drop acetic acid to it, what would you observe immediately. List any two main observations.

Answer 1

1) co2 gas release
2)h2o is form &
3)sodium acetate is also form

Answer 2

Hydrogen gas and carbon dioxide will be produced meaning you will see or a hear a pop sound from the hydrogen gas and the Carbon dioxide may produce  a change in colour .