A solid is transformed into vapour without going to the liquid phase a – McqOptions

MCQOPTIONS

1.	A solid is transformed into vapour without going to the liquid phase at
A.	Triple point
B.	Boiling point
C.	Below triple point
D.	Always
Answer» B. Boiling point

Discussion

No Comment Found

Related MCQs

If the Standard Gibb's free energy, ΔG°, for a reaction is positive then
The Standard Gibb's free energy, ΔG°, is
______ states that “pressure of a gas mixture is equal to the sum of the pressures each gas would exert if it existed alone at the mixture temperature and volume”.
Maxwell's thermodynamic relations are valid for
\({\left( {\frac{{\partial p}}{{\partial V}}} \right)_T}{\left( {\frac{{\partial V}}{{\partial T}}} \right)_p}{\left( {\frac{{\partial T}}{{\partial p}}} \right)_V}\) is equal to
Joule-Thompson coefficient for an ideal gas is
For a pure substance at its triple point, the number of degrees of freedom is
On a hot day at Chennai, an oil tanker was loaded with 40000 liters of diesel fuel. The tanker was then driven to Ooty where the temperature was 20 K lower than in Chennai and the entire load was delivered at Ooty. If the coefficient of volume expansion for diesel fuel is 1 × 10-3 /K, the quantity of diesel delivered at Ooty was
Consider the following statements pertaining to Clapeyron equation:1. It is useful in estimating properties like enthalpy from other measurable properties2. At a change of phase, it can be used to find the latent heat at a given pressure3. It is derived from the relationship\({\left( {\frac{{\partial p}}{{\partial v}}} \right)_T} = {\left( {\frac{{\partial s}}{{\partial T}}} \right)_v}\)Which of the above statements are correct?
Most of the gases exhibit drop in temperature upon expansion. However, this may not be true in case of