IISRIYADH
1) Take a pipette and dip the nozzle into water in a vessel. 2) Suck out the air through the other end. 3) When the water rises to the mark on the pipette, cover its upper end and take the . pipette out. 4) Then empty the water in the pipette into a beaker. A pipette was taken and the nozzle was dipped into water in a vessel. ................
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