GATE-Chemistry Stoichiometry Paper-2

Test Preparation on GATE-Chemistry Stoichiometry Paper-2

1.

Pick out the wrong statement.

1The effect of pressure on heat capacity of gases at pressure above one atmosphere and above the critical temperature is negligible
2The value of Cp of gases increases with increase in pressure, above atmospheric pressure
3The value of Cp at critical temperature and pressure reaches infinity
4All (A), (B), and (C)

2.

Avogadro number is the number of molecules in one __________ of a gas.

1gram
2Kilogram
3gm.mole
4Litre

3.

A chemical process is said to occur under unsteady state, if the

1Inventory changes do not take place
2Ratio of streams entering/leaving are independent of time
3Flow rates & composition both are time dependent
4None of these

4.

A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is

12
21
30.5
40.05

5.

The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight.

1Increases
2Decreases
3Remains unchanged
4Either (A) or (B); depends on the liquid

6.

1 BTU/ft3 is approximately equal to __________ kcal/m3.

11
29
34
4252

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