2 (1) Copper ions catalyne the reaction between zinc and hydrochion
On the axen above, sketch the line you would expired for the could reaction
Label this line C
( Explain why no more hydrogen is given off after 50 minutes.
It has be
(c) What would happen to the speed of the reaction
() small pieces of zinc were used instead of largo pieces
00 the concentration of hydrochloric acid was 1.0 mollam
(d) The equation for this reaction is
Zn2ICI -> ZnCl. - Hy
( State the name of the saft formed in this reaction
(1) Describe a test for hydrogen
12]
test
Splint is lit light
Total 14
result
make
Pop Sound​

helena59    3   08.05.2021 13:57    3