Previous Year Questions
41 questions from past exams (2022–2025). Solve on paper, then check the related notes.
Showing 4 questions in Chemistry
20252 questions
- Q12025Mid Semestermedium10 marks
a. A water sample contains the following impurities: Mg(HCO₃)₂ = 73 mg/L (formula weight 146 amu) MgCl₂ = 180 mg/L (formula weight 95 amu) CaSO₄ = 68 mg/L (form…
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a. Define corrosion and explain the difference between dry and wet corrosion. (3 marks) b. What is differential aeration corrosion? Illustrate with a diagram. (…
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20222 questions
- Q12022Mid Semestermedium10 marks
a. Discuss shapes and geometries of the following molecules on the basis of Valence Bond theory: (i) HClO₃ (ii) SO₃ (1+1 marks) b. Comment on the significance o…
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a. Dolomite and lime stone mining in the basins of the Indravati river is widely known in the Orissan district of Koraput. A number of families are residing alo…
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