Results:
Reaction rate scale
0= no reaction
1= slow reaction
2=moderate reaction
3= fast reaction
Data table
Test 1 : concentration
Test tube 1
Test tube 2
Contents
grounded potato, hydrogen
peroxide
Ungrounded potato,
hydrogen peroxide
Reaction rate
2
Contents
grounded potato and 2 ml
of hydrogen peroxide
Reaction rate
0
grounded potato and 2 ml
of hydrogen peroxide
2
pH contents
7
Grounded potato, 2 ml
of water, 2ml of
hydrogen peroxide
5
Grounded potato, 2ml
of hydrochloric acid,
2ml of hydrogen
peroxide
9
Grounded potato, 2ml
of sodium hydroxide, 2
ml of hydrogen
peroxide
Reaction rate
3
1
Test 2 : temperature
Test tube 1
Room temperature 25 degrees
Celsius
Test tube 2
Boiling temperature 100
degrees Celsius
Test 3 : pH
Test tube 1
Test tube 2
Test tube 3
0
2