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Quick Chemistry Evaluation

  1. 1. Question

    One mole of CO₂ contains

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  2. 2. Question

    MnO₂ and H₂O added to Nacl, the greenish-yellow gas liberate is

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  3. 3. Question

    Which ion is detected by Nessler’s reagent

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  4. 4. Question

    The base present in DNA, but not RNA is

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  5. 5. Question

    The correct order of decreasing acidic nature of H₂O,ROH,CH≡CH and NH₃ is

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  6. 6. Question

    Quantum numbers of an atom can be defined on the basis of

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  7. 7. Question

    Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻² ohm⁻¹ cm⁻¹. Its molar conductance in ohm⁻¹ cm² mol⁻¹ is

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  8. 8. Question

    The type of hybridisation of boron in diboron is

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  9. 9. Question

    When aniline is treated with sodium nitrite and hydrochloric acid at 0⁰C, it gives

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  10. 10. Question

    The basic component of the smog is

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  11. 11. Question

    When CHCl₃ is boiled with NaOH, it gives

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  12. 12. Question

    Which of the following paramagnetic

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  13. 13. Question

    The absorption of hydrogen by palladium is called

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  14. 14. Question

    Which of the following is a stable ion?

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  15. 15. Question

    Picric acid is

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  16. 16. Question

    Which of the following is a planar?

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  17. 17. Question

    Which of the following is a hypnotic

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  18. 18. Question

    If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be

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  19. 19. Question

    When 25g of Na₂SO₄ is dissolved in 10³ kg of solution,its concentration will be

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  20. 20. Question

    The oxidation state of Cr in K₂Cr₂O₇ is

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  21. 21. Question

    The bond dissociation energies of H₂, Cl₂ and HCl are 104, 58, and 103 kcal mol⁻¹ respectively. The enthalphy of formation of HCl would be

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  22. 22. Question

    Ethyl iodide when heated with sodium in dry ether gives pure

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  23. 23. Question

    Acetone reacts with iodine to form iodoform in the presence of

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  24. 24. Question

    HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid – base pair

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