Q.56
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2020
MCQ (Single Correct) +1 −0.33
Replacement of interlayer potassium in micas by protons or hydronium ions to produce Illite is the example of the process
माइका में अन्तर-सतही पोटैशियम का प्रोटोन अथवा हाइड्रोनियम आयन से विस्थापन होकर इलाइट का बनना निम्न उपक्रम का उदाहरण है :
Q.57
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2020
MCQ (Single Correct) +1 −0.33

Which of the following is the correct weathering sequence of different minerals?

निम्न में से कौन सा विभिन्न खनिजों का सही अपक्षय क्रम है?
Q.58
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2020
MCQ (Single Correct) +1 −0.33
At pH above 6 (pH > 6), soil colloidal complex possesses
पी एच मान 6 से ऊपर होने पर मृदा कोलाइडल कॉम्पलेक्स पर होता है -
Q.59
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2020
MCQ (Single Correct) +1 −0.33
The name of Scientist who divided factors of soil formation into 'active' and 'passive' is
वैज्ञानिक जिन्होंने मृदा निर्माण के कारकों को 'सक्रिय' एवं 'स्थूल' (निष्क्रिय) में विभाजित किया, का नाम है -
Q.60
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2020
MCQ (Single Correct) +1 −0.33
Alluvial soils are an example of following order of the genetic system of soil classification :
जलोढ़ मृदाएँ आनुवंशिक पद्धति वाले मृदा वर्गीकरण के निम्न ऑर्डर का उदाहरण है :

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