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QUESTIONS

Stoichiometry
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

-273°C
0°K
-136.5°C
- 136.5°K

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Stoichiometry
Which of the following is not a unit of kinematic viscosity?

Stoke
Poise
Cm²/second
None of these

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Stoichiometry
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be

M/2
M
M/4
2M

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Stoichiometry
Ideal solution is formed, when its components have zero

Neither A nor B
Both A & B
Heat of mixing
Volume change

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Stoichiometry
The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole.

-1632.3
-2448.45
+816.15
+1632.3

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