V

Vinay • 28.75K Points
Instructor II

Q. 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
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