respitory lab

clear lime water

bubbles during 

part a: we used limewater to airate the test tubes , after we saw that test tube c turned whiteish grey color and testube a hada. few bubbles.

part b: distilled water into 2 beakers and one airated and one blew straw for 5 mins, after we used universal indicators beaker c was supose to turn green but our beaker had left over resadue so the color didnt come out right and beaker d turned yellow color and that was acidic. 

part c: the breath they took in 1 min and they took in 30 seconds. the results were: 

one minute: 28,25,18

thirty seconds into a paper bag: 10,14,18

questions