defence exam Agniveer Army Tradesman Mock Test Series 2025 General Science Chemistry Equilibrium

নাইট্রোজেনের এমন কোন যৌগ যা প্রকৃতিগতভাবে অম্লীয়?

1
NH3
2
NH2OH
3
N3H
4
NH2 ·NH2
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