Chemistry Mcqs

During which process empty spaces between particles become minimum ?

(A) ionization
(B) condensation
(C) fusion
(D) evaporation

Submitted By :Ali Uppal

Table salt crystallizes with a______________________?

(A) Face centered cubic lattice
(B) body centered cubic lattice
(C) simple cubic lattice
(D) othorhombic lattice

Submitted By :Ali Uppal

Vapour pressure is not affected by_______________?

(A) Surface area
(B) temperature
(C) intermolecular forces
(D) atmospheric pressure

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

Formation of vapours from the surface of a liquid is called________________?

(A) vapourization
(B) evaporation
(C) condensation
(D) cracking

Submitted By :Ali Uppal

Water has maximum density at __________________?

(A) 0°C
(B) 2°C
(C) 4°C
(D) 100°C

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

Which one is false for evaporation ?

(A) Surface phenomenon
(B) Continuous
(C) Exothermic
(D) Cause cooling

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

Which has strongest bonding in the solid state ?

(A) Hydrogen Chloride (HCI)
(B) Chlorine (Cl2)
(C) Xenon(Xe)
(D) Sodium Chloride (NaCI)

Submitted By :Ali Uppal

Previous
First
....
21
22
23
24
25
....
122
Next