Q111: If the weight of soil is 1.0 g, amount of... - Soil Fertility and Fertilizer Use - ICAR AIEEA PG Agronomy 09 July 2023 (Shift 1) Paper | Agrigyan

111
ICAR AIEEA PG Agronomy 09 July 2023 (Shift 1) Paper
MCQ (Single Correct) +4 −1
If the weight of soil is 1.0 g, amount of potassium dichromate (1 N) is 10 ml, volume of ferrous ammonium sulphate (0.5 N) solution required for blank titration is 20.1 ml and volume of ferrous ammonium sulphate (0.5 N) solution required for soil sample titration is 7.4 ml, then the organic carbon content in soil will be :
यदि मृदा का भार 1.0 ग्राम, पोटैशियम डाइक्रोमेट (1 N) की मात्रा 10 मिली, ब्लैंक अनुमापन (Blank titration) हेतु आवश्यक फेरस अमोनियम सल्फेट (0.5 N) घोल का आयतन 20.1 मिली तथा मृदा नमूने के अनुमापन हेतु आवश्यक फेरस अमोनियम सल्फेट (0.5 N) घोल का आयतन 7.4 मिली है, तो मृदा में जैविक कार्बन (Organic carbon) की मात्रा कितनी होगी?
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