Related Questions

The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.
A Contracts
B Expands
C Does not change in volume
D Either A, B or C
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.
A Greater than
B Lower than
C Is same as
D Half
It was a freezing day of winter. " Here freezing is -
A Adjective
B Adverb
C Verb
D Preposition
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change.
A Enthalpy
B Gibbs free energy
C Internal energy
D Entropy
Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
A Entropy
B Internal energy
C Enthalpy
D Gibbs free energy
The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called
A Sub-cooling or under-cooling
B Super-cooling
C Normal cooling
D None of these
The principal monetary policy objective is to reduce substantially the import surplus of the coming years while resuming economic growth. Realization of this goal entails a marked structural change of the economy, which can be brought about by freezing th
A Economic growth will result in a structural change of the economy
B Only if people consume less can the economy grow
C The import surplus can be reduced if investment is restricted
D Only a structural change in the economy can substantially increase imports
The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.
A Less
B More
C Same
D Either A or B; depends on the nature of the substance
Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C.
A - 39 and 350
B - 51 and 439
C - 79 and 395
D - 10 and 425

Next steps