M

Mr. Dubey • 52.30K Points
Coach 

Q. According to IS : 2720 - 1965, the composition of a dispersing solution used in pipette analysis for determining the size of particles, is

(A) sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
(B) sodium-hexametaphosphate 7 g, sodium carbonate 33 g and distilled water one litre
(C) sodium-hexametaphosphate 23 g, sodium carbonate 17 g and distilled water one litre
(D) None of these
Correct : Option (A)

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