Wb Jee
Some Basic Concepts Of Chemistry
WB JEE 2023
MCQ+1 / -0.252023
ভরের উর্দ্ধক্রমানুসারে সাজাও
I. 1 মোল N\(_2\)
II. 0.5 মোল O\(_3\)
III. O\(_2\)-এর \(3.011\times10^{23}\) সংখ্যক অণু
IV. 0.5 গ্রাম পরমাণু O\(_2\)
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