Question

four sets of three precautions are to be taken while setting up the experiment to show that co2 is evolved during respiration find corect set of precaution
a) airtight setup delivery tube dips in water in beaker germinating seeds in flask
b) thread holding KOH pellets airtight flask delivery tubes just above the water level in the beaker
c) germinated seeds completely under the water in the flask experimental setup not airtight delivery rube above the water level
d) delivery tube touching the bottom of beaker KOH pellets dept along with Germinating seeds at the bottom of flask seeds should not germinate
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Answer 1

Answer:

sorry but it is nor a question it is just a introduction