1.

Gold number of haemoglobin is 0.03. Hence, 100 mL of gold sol will require haemoglobin so that gold is not coagulated by 1 mL of 10% NaCl solution:

Answer»

`0.03 MG`
`30 mg`
`0.30 mg`
`3 mg`

Solution :`0.03`= WEIGHT to Hb in mg XX `10//100`
weight of Hb in mg `=0.30`


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