According to Indian standards, the dispersing solution used in pipette method, for the determination of size of particle consists of

Question

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NA

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7 g sodium carbonate, 43 g sodium hexameta-phosphate and 1 litre distilled water

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7 g sodium carbonate, 33 g sodium hexameta-phosphate and 1 litre distilled water

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7 g sodium carbonate, 23 g sodium hexameta-phosphate and 1 litre distilled water

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any one of the above

1.	According to Indian standards, the dispersing solution used in pipette method, for the determination of size of particle consists of
A.	7 g sodium carbonate, 43 g sodium hexameta-phosphate and 1 litre distilled water
B.	7 g sodium carbonate, 33 g sodium hexameta-phosphate and 1 litre distilled water
C.	7 g sodium carbonate, 23 g sodium hexameta-phosphate and 1 litre distilled water
D.	any one of the above
Answer» C.

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