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Stoichiometry

Stoichiometry
Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively).

1/Sv
1/St
Sv
St

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Stoichiometry
Which of the following is insensitive to changes in pressure?

Both B & C
Heat of fusion
Heat of vaporisation
Melting point

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Stoichiometry
A solution with reasonably permanent pH is called a/an __________ solution.

Buffer
Ideal
Colloidal
Non-ideal

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Stoichiometry
Pick out the wrong unit conversion.

None of these
1 mm Hg = 1 torr = 133.3 Pa
1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm²
1 kPa = 100 bar

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Stoichiometry
Solutions having the same osmotic pressure are called __________ solutions.

Ideal
Dilute
Isotonic
Saturated

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Stoichiometry
The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm.

6.5
0.65
0.065
65

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