Science, asked by preyshi13, 10 months ago

what are universal indicator
Write the formula of complex salt.​

Answers

Answered by meganoor2000
1

Answer:

Ph scale is universal indicator

NaCl

Answered by itzAshuu
4

=> Universal indicator is a homogenous mixture which is prepared by mixing some common indicators. It has pH ranging from 1-14 to indicate acidity or alkalinity of solutions.

A complex salt is a salt that contains one or more complex ions.

Ferric Alum [K2S04. Fe2 (SO4)3. 24 H20]

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