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
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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The magnetic quantum number (QN) has its values determined directly by the value of_______________?
A. Principal (QN)
B. Azimuthal (QN)
C. Spin (QN)
D. Both A & B
Submitted by :- Jamil Ahmed
All of the following were theorized by Bohr in his description of the atom except__________________?
A. Angular momentum of electrons in multiples of h/2?
B. Electrons revolve in discrete circular orbits
C. Energy of each electron is directly proportional to n2
D. Electrons radiate energy continuously in a given orbit.
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
Which solids are called true solids _______________?
A. Metallic
B. Amorphous
C. Crystalline
D. Vitreous
Submitted by :- Jamil Ahmed
The viscosity of solids is________________?
A. Infinite
B. Negligible
C. Medium
D. No concept of viscosity in solid
Submitted by :- Jamil Ahmed
Crystalline solids can be identified easily from their ___________________?
A. Sharp melting point
B. Definite geometry
C. Transition temperature
D. Colour
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
Planks theory says energy is emitted__________________?
A. In continuous manner
B. Discontinuous manner
C. Simultaneously
D. In the form of heat
Submitted by :- Jamil Ahmed