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.Management Sciences
Category: Liquids and Solids
Which one of the following does not show hydrogen bonding?
A. Water
B. Ethyl alcohol
C. Phenol
D. Diethyl ether
Hydrogen bonding is involved in____________________?
A. Solubility
B. Cleansing action of detergents
C. Biological molecules
D. All
The boiling point increases down the zero group element due to_________________?
A. Ion dipole forces
B. London forces
C. Hydrogen bonding
D. Dipole dipole forces
A malleable solid is one which can be_________________?
A. Converted into wires
B. Converted into thin sheets
C. Melted easily
D. All of the above
The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?
A. Dipole-dipole forces
B. Ion dipole-dipole forces
C. London dispersion forces
D. Debye forces
Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?
A. More strength of H-bonding
B. More strength of London forces
C. Less polarizability
D. All of the above
When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?
A. ABAB (hexagonal)
B. ABCABC (Cubic)
C. Orthor hombic
D. Rhombohedral
Vapour pressure of water at 100°C is___________________?
A. 55 mm Hg
B. 760 mm Hg
C. 355 mm Hg
D. 1489 mm Hg
The viscosity of solids is________________?
A. Infinite
B. Negligible
C. Medium
D. No concept of viscosity in solid
The density of water may be__________________?
A. Equal to that of ice
B. Greater than that of ice
C. Less than that of ice
D. All are possible
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