Science (English Medium) Class 11 - CBSE Important Questions for Chemistry

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Chemistry
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Use Bohr's postulate to prove that the radius of nth orbit in a hydrogen atom is proportional to n2.

Appears in 1 question paper
Chapter: [0.02] Structure of Atom
Concept: Bohr’s Model for Hydrogen Atom

What do you mean by Biochemical Oxygen Demand (BOD)?

Appears in 1 question paper
Chapter: [0.14] Environmental Chemistry
Concept: Water Pollution and Its Causes
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