1.

can anyone tell me the aim , material required , procedure, observation,and precaution for the activity in which you have to show we breath out carbon dioxide by blowing into lime water

Answer»

Aim-To detemine the gas which comes out when we breathe outmaterial-Test tube , lime water, LASS tubeprocedure-slowly BLOW the air into glass tubeobservation-lime water turns milky DUE to formation of caco3. This INDICATES the gas which we breathe out is co2precaution- do not INTAKE the lime water in test tube



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