Explore an extensive collection of Chemistry MCQs covering all key topics of Chemistry Mcqs are including organic chemistry, inorganic chemistry, physical chemistry, atomic structure, chemical bonding, stoichiometry, thermodynamics, kinetics, acids and bases, periodic table, and more. Perfect for students preparing for board exams, competitive tests, and university-level assessments in Pakistan
Which of the following is used in beauty parlors for hair setting?
A. Silicon
B. Chlorine
C. Sulphur
D. Phosphorus
Which of the following is not a chemical reaction?
A. Burning of coal
B. Conversion of water into steam
C. Digestion of food
D. Burning of paper
Isotopes of an element have the same number of _______?
A. Neutrons
B. Protons
C. Electrons
D. Beta rays
Substance whose atoms can be split are known as __________ materials.
A. Fusionable
B. Fissionable
C. Combustible
D. None of these
“Green House Effect” means:____________?
A. Pollution
B. Prevention of ultraviolet rays
C. Trapping of Solar energy due to atmospheric carbon dioxide
D. None
Diamond is harder than Graphite because of___________?
A. Difference in crystalline Structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these
A colloidal system in which a liquid is dispersed into a liquid is called_________?
A. Percipitate
B. Gel
C. Emulsion
D. Sol
___________ is a strong smelling agent added to LPG cylinders to detect leakage?
A. Nitrogen Peroxide
B. Ethyl Mercaptan
C. Carbon Monoxide
D. Sulphur Dioxide
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