Question

Instrumentation of PH meter.​

Answer 1

Answer:

$\huge\mathcal\red{\boxed{\boxed{PH\: meter}}}$

PH meter, electric device used to measure hydrogen-ion activity (acidity or alkalinity) in solution. Fundamentally, a pH meter consists of a voltmeter attached to a pH-responsive electrode and a reference (unvarying) electrode.

Answer 2

Answer:

pH meter

Explanation:

1-6 acidic

7 neutral

8-12 basic