Options:
- A. system
- B. surrounding
- C. phase
- D. state functions
View Answer
D. state functions
Chemistry
Forces of attraction which may be present between all kinds of atoms and molecules are _____________________?
Options:
- A. intramolecular
- B. intermolecular
- C. van der Waal
- D. Dipole-induced dipole
View Answer
C. van der Waal
Two fundamental ways to transfer energy are________________?
Options:
- A. pressure and temperature
- B. pressure and volume
- C. heat and work
- D. heat and volume
View Answer
C. heat and work
The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
Options:
- A. vaporization
- B. evaporation
- C. crystallization
- D. sublimation
View Answer
A. vaporization
Enthalpy change can be_________________?
Options:
- A. calculated by Hess law
- B. can be measured by calorimeter
- C. both A and B
- D. none
View Answer
C. both A and B
Water has maximum density at __________________?
Options:
- A. 0
- B. 2
- C. 4
- D. 100
View Answer
C. 4
Enthalpy of combustion for food fuel and other compounds can be measured accurately by________________?
Options:
- A. glass calorimeter
- B. bomb calorimeter
- C. thermometer
- D. manometer
View Answer
B. bomb calorimeter
Formation of vapours from the surface of a liquid is called________________?
Options:
- A. vapourization
- B. evaporation
- C. condensation
- D. cracking
View Answer
B. evaporation
When enthalpy of reactants is higher than product then reaction will be_________________?
Options:
- A. endothermic
- B. spontaneous
- C. non-spontaneous
- D. exothermic
View Answer
D. exothermic
The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?
Options:
- A. Dipole-dipole forces
- B. Ion dipole-dipole forces
- C. London dispersion forces
- D. Debye forces
View Answer
A. Dipole-dipole forces