Q.46
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
In the black cotton soils of India, dominant group of layer silicate clay minerals found is -
भारत की काली कपास की मृदाओं में कौनसे समूह के लेयर (परतीय) सिलिकेट क्ले खनिज पाया जाता है —
Q.47
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
In Cation exchange equations for divalent monovalent ion exchange process, most widely used ion exchange equation is given by -
धनायन विनिमय समीकरण के द्विसंयोजक - एकसंयोजक आयन प्रतिस्थापन प्रक्रिया में सबसे अधिक प्रयोग में आने वाली आयन प्रतिस्थापन समीकरण दिया है -
Q.48
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
The oven dry weight of 50 gm soil collected from field was 40 gm, if the bulk density of the soil is 1.5 gm/cm3, the volumetric water content would be -
एक खेत से प्राप्त 50 ग्राम मृदा का ओवन शुष्क भार 40 ग्राम है, मृदा का स्थूलता घनत्व 1.5 ग्राम/सेमी.³ है, तो मृदा में आयतनिक जल की मात्रा होगी -
Q.49
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
Devarda's alloy is composed of -
देवरदा एलॉय बना होता है -
Q.50
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
'Soil Taxonomy' published by US soil survey staff in the year of -
यू.एस. मृदा सर्वेक्षण विभाग ने 'मृदा टैक्सोनॉमी' को किस वर्ष में प्रकाशित किया था?

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