nursing AIIMS BSc Nursing 2025 Mock Test Series Chemistry Hydrogen Hydrogen and its Hydrides

तनु H₂SO₄ के साथ उपचार पर H₂O₂ देने वाला ऑक्साइड कौन सा है?

1

PbO₂

2

BaO₂ .8H₂O

3

MnO₂

4

TiO₂

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