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Social & Preventive Medicine General 74585ba6

Indicator solution in Horrock’s Apparatus contains

A
Ortho-toulidine
B
Bromocresol purple
C
Ortho-toulidine arsenite
D
Starch iodide
High-Yield Explanation
Indicator in Horrock’s apparatus: Starch iodide. Indicator in Presumptive coliform test (MPN Multiple Tube Method): Bromocresol purple.

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