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Stoichiometry

Stoichiometry
The reverse process of fractional crystallisation is called

Leaching
Absorption
Differential distillation
Stripping

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Stoichiometry
Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C).

°API = 200(G - 1)
°API = (141.5/G) - 131.5
°API = 145 - (145/G)
°API = (140/G) - 130

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Stoichiometry
1 kg/m² is equal to __________ mm water column.

1000
10
100
1

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Stoichiometry
Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches

0.24
1
∞

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Stoichiometry
Which of the following expressions defines the Baume gravity scale for liquids heavier than water?

145 - (145/G)
(141.5/G) - 131.5
200(G-1)
(400/G) - 400

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Stoichiometry
1 ata is equivalent to

1 atm
1 kgf/cm²
0.98 Pascal
10 torr

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