Paper 2 core practical's Flashcards
What is the first practical of paper 2?
Respiration rates.
What are we changing in Respiration rates.
Temperature.
In Respiration rates. what is used to change temp?
Water baths.
What does the liquod need to be in Respiration rates.
Coloured so you can measure how far it has changed
In Respiration rates. what is the function of the sodalime granules?
To absorb carbon dioxide in tube.
What holds the sodalime granules in place in Respiration rates.
Cotton wool
What is the role of cotton wool in Respiration rates.
Protect you and organisms.
Why should you avoid sodalime in Respiration rates.
Cos it is corrosive
Whgy do you wait5 minutesin Respiration rates.
To let the organisms adjust to the water bath.