Pb(NO3)2 →∆A+ PbO + O2;  এখানে A-গ্যাসটির বর্ণ কোনটি? ( Pb(NO3)2 →∆A+ PbO + O2;  what is the color of the gas A?)

Pb(NO3)2 →∆A+ PbO + O2;  এখানে A-গ্যাসটির বর্ণ কোনটি? ( Pb(NO3)2 →∆A+ PbO + O2;  what is the color of the gas A?) সঠিক উত্তর বাদামী (Brown)

Bissoy MCQ

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