A battery converts which energy to electrical energy?
[A] mechanical
[B] chemical
[C] light
[D] heat
[B] chemical
[C] light
[D] heat
Submitted by :- Muhammad Nawaz
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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Which is one of the most important technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates?
[A] Filtration
[B] Distillation
[C] Evaporation
[D] Chromatography
[B] Distillation
[C] Evaporation
[D] Chromatography
Submitted by :- Muhammad Nawaz
The atoms of the elements having same difference between mass number and atomic number are called:
[A] Isobar
[B] Isotopes
[C] Isotones
[D] None of the above
[B] Isotopes
[C] Isotones
[D] None of the above
Submitted by :- Muhammad Nawaz
Who formulated “the atomic theory” of a matter?
[A] Avogadro
[B] Dalton
[C] Newton
[D] Pascal
[B] Dalton
[C] Newton
[D] Pascal
Submitted by :- Muhammad Nawaz
Which of the following is an example of sublimation? Dry ice Camphor Ice Select the correct answer from the codes given below:
[A] Only 1 and 2
[B] All are correct
[C] Only 1
[D] Only 3
Submitted by :- Muhammad Nawaz
What happens when one S and one P orbital are hybridized?
[A] We get three orbitals in a plane
[B] We get two orbitals at 180 degrees
[C] We get two mutually perpendicular orbitals
[D] We get four orbitals directed tetrahedrally
[B] We get two orbitals at 180 degrees
[C] We get two mutually perpendicular orbitals
[D] We get four orbitals directed tetrahedrally
Submitted by :- Muhammad Nawaz
Isobars have:
[A] Same mass numbers but different atomic numbers
[B] Different mass numbers but same atomic numbers
[C] Same mass and atomic numbers
[D] Different mass and atomic numbers
Submitted by :- Muhammad Nawaz
Which metal does not present in the alloy “German Silver”?
[A] Nickel
[B] Zinc
[C] Copper
[D] Silver
[B] Zinc
[C] Copper
[D] Silver
Submitted by :- Muhammad Nawaz
Molecular orbital Theory is also called_________?
A. Bonding theory
B. Anti bonding theory
C. Band theory
D.π and σ bonding theory
Submitted by :- Jamil Ahmed
BeCl2 has the hybrid orbitals of type_______?
A. Sp2
B. Sp3
C. Sp
D. dsp2
Submitted by :- Jamil Ahmed