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Q:

धनायन और ऋणायन दोनों रूपों में अवशोषित तत्त्व है

  • 1
    सल्फर (गंधक)
  • 2
    नाइट्रोजन
  • 3
    कैल्सियम
  • 4
    फॉस्फोरस
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Answer : 2. "नाइट्रोजन"
Explanation :

Nitrogen is absorbed in both cationic (NH4+) and anionic (NO3-) form. Sulphur, phosphorus and boron are absorbed only in anionic forms.

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