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Stoichiometry

Stoichiometry
Viscosity of 1 centipoise is equal to 1 centis-toke in case of

Carbon tetrachloride
None of these
Water
Mercury

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Stoichiometry
1 torr is equivalent to

1 mm wc
1 ata
1 mm Hg
1 Pascal

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Stoichiometry
What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C?

43832
43864
L/3 x 298/273
43833

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Stoichiometry
A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is

N₂O₄
N₂O₅
N₂O₃
None of these

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Stoichiometry
Which of the following has the smallest least effect on the solubility of a solute into the solvent?

Nature of the solute
Nature of the solvent
Temperature
Pressure

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Stoichiometry
The crystallisation of a solute from a solution may be done by

Changing the nature of the system by the addition of a more soluble material
Change of temperature thereby causing supersaturation
All of these
Removal of pure solvent by evaporation

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