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Question

Some of the water quality parameters are measured by titrating a water sample with a titrant. Group-I gives a list of parameters and Group-II gives the list of titrant.

Groups - I Groups - II
P. Alkalinity 1. N/35.5AgNO3
Q. Hardness 2. N/40Na2S2O3.
R. Chloride 3 H2SO4
S. Dissolved oxygen 4. N/50EDTA

Codes:

A
P1,Q2,R3,S4
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B
P2,Q1,R4,S3
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C
P4,Q3,R2,S1
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D
P3,Q4,R1,S2
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Solution

The correct option is D P3,Q4,R1,S2
AlkalinityH2SO4
HardnessEDTA
ChlorideAgNO3
Dissolved OxygenNa2S2O3

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