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.Management Sciences
Category: Liquids and Solids
Liquid gets the shape of the container when it is poured into it. Which one of the following reasons justifies it ?
A. Liquid do not have definite shape
B. Liquid do not have definite volume
C. Lieuid is highly compressible
D. Liquid molecules can slide over each other
Which has strongest bonding in the solid state ?
A. Hydrogen Chloride (HCI)
B. Chlorine (Cl2)
C. Xenon(Xe)
D. Sodium Chloride (NaCI)
During which process empty spaces between particles become minimum ?
A. ionization
B. condensation
C. fusion
D. evaporation
Crystalline solids can be identified easily from their ___________________?
A. Sharp melting point
B. Definite geometry
C. Transition temperature
D. Colour
The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
A. vaporization
B. evaporation
C. crystallization
D. sublimation
The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?
A. Molar heat of sublimation
B. Molar heat of fusion
C. Molar heat of vapourization
D. Latent heat of that liquid
Which one is false for evaporation ?
A. Surface phenomenon
B. Continuous
C. Exothermic
D. Cause cooling
Rising of a wetting liquid in a capillary tube is due to__________________?
A. Surface tension
B. Cohesive forces
C. Adhesive forces
D. viscosity
If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?
A. Heat of transition
B. Heat of fusion
C. Enthalpy change
D. All of above
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