Gas Flame reaction Glowing splint Limewater reaction Bromothymol blue reaction Hydrogen         Oxygen         Hydrogen& oxygen         Carbon dioxide         AlkaSeltzer         Breath             Questions   

Questions                                                                                                          

A.  Give two reasons why we fillthe gas generator test tubes almost to the top with chemicals.

B.   What happens to the zinc in the hydrogen generation experiment?

C.   What happens to the manganese in the oxygen generation experiment?

D.  Write a balanced equationfor the reactionbetween O2and H2.

E.   What is the function/purposeof the bromothymol blue in the CO2experiment?

F.    Bromothymolblueisblueinthepresenceofbasicsolutions,andyellowinthepresenceof acidic solutions.If your solutionis a murky green, what might you assume about the solution?