The number of atoms in a molecule determines________________?
A. macromolecule
B. macromolecule
C. molecularity
D. atomicity
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 mass of one mole of electron is________________?
A. 1.8 mg
B. 0.55 mg
C. 0.184 mg
D. 1.637 mg
Submitted by :- Jamil Ahmed
Which one is not the use of silicones________________________?
A. Lubricant
B. Water repellent film
C. Rubber sheet
D. Medicine
Submitted by :- Jamil Ahmed
Keeping in view the size of atom which is in correct order___________________?
A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. CI > 1
Submitted by :- Jamil Ahmed
Nitrates of which pair gives different products on thermal decomposition___________________?
A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
Submitted by :- Jamil Ahmed
Which is true about Zn-Cu galvanic cell ?
A. Reduction occurs at anode
B. K+ ion transfer from salt bridge to left beaker of ZnSO4
C. Oxidation occurs at cathode
D. Anode is negatively charged
Submitted by :- Jamil Ahmed
Stronger is the oxidizing agent greater is the___________________?
A. Oxidation potential
B. Redox potential
C. e.m.f of cell
D. standard reduction potential
Submitted by :- Jamil Ahmed
Atomic radius can be determined by_________________?
A. X – ray diffraction
B. Spectrophotometer
C. Optical microscope
D. Electron microscope
Submitted by :- Jamil Ahmed
Bohrs model is contradicted by__________________?
A. Plancks theory
B. Dual nature of matter
C. Heisenberg’s uncertainty principle
D. All of these
Submitted by :- Jamil Ahmed
Which of the following is pseudo solid_____________________?
A. CaF2
B. NaCl
C. Glass
D. Diamond
Submitted by :- Jamil Ahmed