Question

Reagents required for determination of soil organic matter in laboratory.
A. Potassium dichromate
B. Ferrous ammonium sulphate
C. Saffranine
D. Diphenyl amine E. Sulphuric acid Choose the correct answer from the options given below:

A A, B, C, D
B B, C, D, E
C A, C, D, E
D A, B, D, E
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