Who proposed the concept of isotopes?
A. Dmitri Mendeleev
B. John Dalton
C. J. Thomson
D. Frederick Soddy
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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Who discovered radioactivity?
A. Marie Curie
B. Albert Einstein
C. Max Planck
D. Niels Bohr
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Who discovered the Proton?
A. Ernest Rutherford
B. J. Thomson
C. Marie Curie
D. Niels Bohr
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Who discovered the electron?
A. Ernest Rutherford
B. J.J. Thomson
C. Marie Curie
D. Niels Bohr
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Which one of the following results in the discovery of proton.
The radiations with negative charge are________.
A. Alpha radiations
B. Gamma radiations
C. Beta radiations
D. positron
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The radiations with highest speed are _______.
A. Alpha radiations
B. Gamma radiations
C. Beta radiations
D. None of the above
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Petra means ______ ?
A. Petrol
B. Sediment
C. Rock
D. Fuel
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When the radiation of light is passed through a prism, it undergoes __________?
A. reflection
B. interference
C. diffraction
D. refraction
Submitted by :- Jamil Ahmed
__________ is one of the allotropic modifications of carbon.
A. Silicon
B. Diamond
C. Iodine
D. Graphite (more…)
Submitted by :- Jamil Ahmed