Which of the following is a substance?
A. Sea water
B. Brass
C. Tape water
D. Graphite
E. Sand
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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Sodium carbonate is produced by____________?
A. Haber process
B. Ammonia Solvay process
C. Decons process
D. Lead chamber process
Submitted by :- Jamil Ahmed
Electron was discovered by?
A. Michael Faraday
B. James Maxwell
C. Yuri Gagarin
D. J.J Thomson
Submitted by :- Jamil Ahmed
The radioactive isotope of hydrogen is called___________?
A. tritium
B. deuterium
C. protium
D. ortho-hydrogen
Submitted by :- Jamil Ahmed
The soul of chemistry is dealing with___________?
A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter
Submitted by :- Jamil Ahmed
Which one of the following has the maximum number of isotopes ?
A. oxygen
B. carbon
C. tin
D. chlorine
Submitted by :- Jamil Ahmed
Which of the following terms is not used for ionic compound ?
A. formula unit
B. empirical formula
C. molecular formula
D. formula mass
Submitted by :- Jamil Ahmed
Which of the following statements about isotopes is correct ?
A. Isotopes with odd atomic number are abundant
B. Isotopes with odd atomic number and even mass number are abundant
C. Isotopes with even atomic number and even mass number are abundant
D. Isotopes with even atomic number and odd mass no are abundant
Submitted by :- Jamil Ahmed
Molecular mass of water (18g) means__________________?
A. 1-mole molecules of water
B. 1-gram molecule of water
C. 3-gram atoms
D. all
Submitted by :- Jamil Ahmed
Empirical formula of chloroform is____________________?
A. CH2 C12
B. CH3C1
C. CC14
D. CHCL3
Submitted by :- Jamil Ahmed