AP Chemistry MCQ. We covered all the AP Chemistry MCQ in this post for free so that you can practice well for the exam.
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MCQ on AP Chemistry for Students
Annealing of glass is done to
(a) make it brittle
(b) make it opaque
(c) make it transparent
(d) None of the above
Option d – None of the above
Petrochemicals are obtained from
(a) coal
(b) petroleum
(c) coal tar
(d) All of these
Option b – petroleum
The use of chemicals for the treatment of diseases is called
(a) isothermotherapy
(b) angiotherapy
(c) physiotherapy
(d) chemotherapy
Option d – chemotherapy
Which of the following is a hypnotic drug?
(a) luminal
(b) salol
(c) catechol
(d) chemisol
Option a – luminal
Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is
(a) sodium hydrogen phthalate
(b) magnesium hydroxide
(c) calcium hydroxide
(d) manganese acetate
Option b – magnesium hydroxide
LPG used as domestic fuel chiefly contains
(a) Methane
(b) Propane
(c) Ethylene
(d) Butane
(e) None of the above / More than one of the above
Option e – None of the above / More than one of the above
Glass is a
(a) liquid
(b) colloid
(c) non-crystalline amorphous solid
(d) crystalline solid
Option c – non-crystalline amorphous solid
Teflon is a polymer of which of the following monomers?
(a) Tetrafluoroethylene
(b) Vinyl chloride
(c) Chloroprene
(d) Acetylene dichloride
Option a – Tetrafluoroethylene
(e) None of the above /More than one of the above
Which one of the following is another name for RDX?
(a) Cyanohydrin
(b) Dextran
(c) Cyclohexane
(d) Cyclonite
Option d – Cyclonite
Which one of the following is used as an explosive?
(a) Phosphorus trichloride
(b) Mercuric oxide
(c) Graphite
(d) Nitroglycerine
Option d – Nitroglycerine
Flint glass is obtained from which of the following?
(a) Zinc and barium borosilicate
(b) Sand, red lead and potassium carbonate
(c) Sodium aluminium borosilicate
(d) Pure silica and zinc oxide
Option b – Sand, red lead and potassium carbonate
Which one of the following correctly defines the state of lass?
(a) Crystalline solid
(b) Supercooled liquid
(c) Condensed gas
(d) Liquid crystal
Option b – Supercooled liquid
Which one of the following is not used as fertilizer?
(a) Ammonium nitrate
(b) Ammonium sulphide
(c) Ammonium phosphate
(d) Ammonium sulphate
Option b – Ammonium sulphide
Which one of the following elements are needed in the human body to transfer electrical signals by nerve cells?
(a) Lithium
(b) Sodium
(c) Rubidium
(d) Caesium
Option b – Sodium
Which one of the following is NOT true for bleaching powder?
(a) It is used as a reducing agent in chemical industries
(b) It is used for bleaching wood pulp in paper factories
(c) It is used for disinfecting drinking water
(d) It is used for bleaching linen in the textile industry
Option a – It is used as a reducing agent in chemical industries
Hard glass has the same ingredients as soft glass except
(a) hard glass has Na in place of K
(b) hard glass has K in place of Na
(c) hard glass has both Na and K
(d) None of the above
Option a – hard glass has Na in place of K
A complete fertilizer provides
(a) N, P, K
(b) S, K, N
(c) S, B, K
(d) N, S, P
Option a – N, P, K
Which of the following is not a synthetic fibre :
(a) Angora
(b) Rayon
(c) Nylon
(d) Polyester
Option a – Angora
Which one of the following is not contained in Portland cement?
(a) Ca3Al₂06
(b) Ca3Si05
(c) Ca₂SiO4
(d) Ca3(PO4)2
Option d – Ca3(PO4)2
What is the reason for white cement to be white?
(a) It does not contain carbon
(b) It does not contain silicon
(c) It does not contain iron
(d) It does not contain calcium
Option c – It does not contain iron
Which fertilizer is assimilated directly by the plant?
(a) Superphosphate
(b) Nitrolim
(c) Muriate of Potash
(d) Humus
Option d – Humus
Which of the following chemicals is used in foam fire extinguishers?
(a) Aluminium sulphate
(b) Copper sulphate
(c) Cobalt sulphate
(d) Nickel sulphate
Option a – Aluminium sulphate
What is a mixture of potassium nitrate, powdered charcoal and sulphur called?
(a) Glass
(b) Cement
(c) Paint
(d) Gun power
Option d – Gun power
Which one of the following chemicals is used in beauty parlours for hair-setting?
(a) Sulphur-based
(b) Phosphorus-based
(c) Silicon-based
(d) Iron-based
Option c – Silicon-based
Which one of the following is used as a mordant in the dyeing and tanning industry?
(a) Magnesium oxide
(b) Magnesium carbonate
(c) Magnesium chloride
(d) Magnesium sulphate
Option a – Magnesium oxide
Which one of the following substances are used in the manufacture of safety matches?
(a) Red phosphorus
(b) White phosphorus
(c) Phosphorus trioxide (P₂03)
(d) Black phosphorus
Option a – Red phosphorus
Which one of the following polymeric materials is used for making bulletproof jackets?
(a) Nylon-6, 6
(b) Rayon
(c) Kevlar
(d) Dacron
Option c – Kevlar
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