Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?

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Pick out the wrong statement?

A. Insulating refractories used in place of regular refractory bricks are usually called light weight refractories, and they have similar composition as heavy bricks B. Graphite refractories are also called plumbago refractories C. Superduty fireclay bricks correspond to a pyrometric cone equivalent of 26-28 D. Calcined magnesite is also called dead burnt magnesite...

With rise in temperature, the heat capacity of a substance___________________?

A. Increases B. Decreases C. Remains unchanged D. Either A. or B.; depends on the substance...

Pick out the wrong statement?

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

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

A. R B. > R C. < R D. 0.5 R...

In a chemical process, the recycle stream is purged for______________________?

A. Increasing the product yield B. Enriching the product C. Limiting the inerts D. Heat conservation...