PRACTICAL: Measuring how fast a product appears Flashcards
1
Q
1 - what does the catalase catalyse?
A
the breakdown of hydrogen peroxide into water and oxygen
2
Q
2 - what do you collect?
A
the oxygen and then measure how much is produced in a set time
3
Q
3 - what apparatus do you use to add a set amount of hydrogen peroxide to a boiling tube?
A
pipette
4
Q
4 - what do you add to the hydrogen peroxide?
A
a source of catalase
5
Q
5 - what do you record?
A
how much oxygen is produced in the first minute. (repeat 3 times and calculate a mean)
6
Q
7 - what do you control?
A
any variables
7
Q
6 - what temperature do you repeat?
A
20c, 30c, 40c
