12th Chemistry Quarterly Question Paper. We covered all the 12th Chemistry Quarterly Question Paper MCQs in this post for free so that you can practice well for the exam.
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12th Chemistry Quarterly Objective Question Paper for Students
The raw materials used for the manufacture of cement are:
(a) Lime, silica, and sulfur dioxide
(b) Lime, silica, and carbon dioxide
(c) Lime, silica, and alumina
(d) Lime, silica, and boric acid
Option c – Lime, silica, and alumina
Which one of the following statements about water is not true?
(a) Hydrogen bonds are present in liquid water.
(b) Water has a high boiling point.
(c) Water has a high heat of fusion.
(d) Water is a non-polar molecule.
Option d – Water is a non-polar molecule
Which one of the following is used as a binder in paints?
(a) Titanium dioxide
(b) Novolac
(c) Phthalocyanine
(d) Silicones
Option b – Novolac
Tooth enamel is made up of which one of the following calcium compounds?
(a) Calcium carbonate
(b) Calcium sulfate
(c) Calcium hydroxide
(d) Calcium phosphate
Option d – Calcium phosphate
A powerful eye irritant in the smoke is:
(a) Ozone
(b) Sulphur dioxide
(c) Carbon dioxide
(d) Peroxyacetyl nitrate
Option d – Peroxyacetyl nitrate
Which one of the following gemstones contains beryllium metal?
(a) Topaz
(b) Emerald
(c) Ruby
(d) Blue sapphire
Option b – Emerald
Which one of the following statements is correct?
(a) Both boiling and evaporation are surface phenomena.
(b) Boiling is a surface phenomenon, but evaporation is a bulk phenomenon.
(c) Both boiling and evaporation are bulk phenomena.
(d) Boiling is a bulk phenomenon, but evaporation is a surface phenomenon.
Option d – Boiling is a bulk phenomenon, but evaporation is a surface phenomenon
Which one of the following statements about diamond and graphite is not correct?
(a) Diamond has a tetrahedral structure, whereas graphite has a hexagonal planar structure.
(b) Both the physical and chemical properties of diamond and graphite are different.
(c) Graphite is soft but diamond is hard.
(d) Graphite is a good conductor of electricity while diamond is not.
Option d – Graphite is a good conductor of electricity while diamond is not
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