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Q.1
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022 (Q.66)
MCQ (Single Correct) +1 −0.33
Determination of CaCO3 by rapid titration method (Puri, 1930), the indicator used is -
कैल्शियम कार्बोनेट के शीघ्र अनुमापन विधि (पुरी, 1930) द्वारा निर्धारण में, सूचक प्रयुक्त होता है -
Q.2
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022 (Q.71)
MCQ (Single Correct) +1 −0.33

Which of the following is responsible for the green colour at the end point of the titration in organic carbon determination?

जैविक कार्बन की जाँच में अनुमापन में अन्तिम बिन्दु के रूप में हरा रंग किसकी वजह से होता है?
Q.3
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022 (Q.139)
MCQ (Single Correct) +1 −0.33
In determination of Ca + Mg by EDTA method,

which of the following indicator is used in titration of Ca alone?

ई.डी.टी.ए. विधि द्वारा कैल्शियम + मैग्नेशियम के निर्धारण में केवल कैल्शियम के अनुमापन के लिए कौनसा सूचक प्रयुक्त होता है?

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