In a group, atomic radii increase due to successive increase of _________ ?
A. Electronic shells
B. Proton shells
C. Neutron shells
D. Nucleus
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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Chromatography is used to separate _________ ?
A. Solution
B. Mixtures
C. Molecules
D. Atoms
Submitted by :- Jamil Ahmed
In SI base units, 1 Bq is equal to __________ ?
A. 10 disintegration per second
B. 1.5 disintegration per second
C. 0.1 disintegration per second
D. 1 disintegration per second
Submitted by :- Jamil Ahmed
A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?
A. Beta particle
B. Gamma particle
C. Alpha particle
D. Negative particle
Submitted by :- Jamil Ahmed
Elements which emit natural radioactivity are known as __________ ?
A. Radio elements
B. Active elements
C. Radioactive elements
D. Nuclear elements
Submitted by :- Jamil Ahmed
Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
A. e
B. 2e
C. 3e
D. 4e
Submitted by :- Jamil Ahmed
The systematic name of sucrose is_______?
A. 1-α-D- glucopyranosyl-2-β-D-fructopyranoside
B. 11-α-D-glucopyranosyl-2-β-D-fructofuranoside
C. 1-α-D- glucofuranosyl-2-α-D- fructopyranoside
D. 1-β- D- glucofuranosyl-2-α- D- fructofuranoside
Submitted by :- Jamil Ahmed
How many isomeric aldoses are possible for the molecular formula C6H12O6?
A. 2
B. 4
C. 7
D.16
Submitted by :- Jamil Ahmed
The IUPAC name of pyridines is__________?
A. Azolo
B. Azine
C. Azolidins
D. Diazine
Submitted by :- Jamil Ahmed
Example of ‘globular’ proteins is __________ ?
A. Peptide
B. Enzymes
C. Primary protein
D. Secondary proteins
Submitted by :- Jamil Ahmed