Correct option is B
The Sahli's hemoglobinometer method utilizes N/10 Hydrochloric Acid (HCl) to convert hemoglobin into acid hematin, which is then measured to determine hemoglobin concentration.
Explanation of Options:
· (a) NaCl: Sodium Chloride; not used in hemoglobin estimation.
· (b) N/10 HCl: Correct answer; used in Sahli's method for hemoglobin estimation.
· (c) NaOCl: Sodium Hypochlorite; not used for this purpose.
· (d) NaOH: Sodium Hydroxide; not applicable in hemoglobin testing.
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