(A) Troposphere
(B) Thermosphere
(C) Troposphere and Stratosphere
(D) Mesosphere
Category: Chemistry Mcqs
Chemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Chemistry Mcqs portion will cover mcqs related to Acids, bases, PH,
atomics structure, electrochemistry, thermochemistry, periodic table, chemicals, atomic theory, chemical bonding, Transition metals, periodic table facts, compounds, properties of organic compounds, covalent bond,
Ionic bond and all other topics related to chemistry will be covered here.
In Pakistan and other countries which of the following methods is used in manufacture of sulphuric acid?
(A) Frasch method
(B) Haber’s process
(C) Contact process
(D) Ostwald’s method
Process of smelting and cooling converts pig iron into?
(A) Steel
(B) Wrought Iron
(C) Cast Iron
(D) Silicon steel
Pure iron is obtained by the reduction of which of the followings in the blast furnace?
(A) Megnetite
(B) Limonite
(C) Iron Oxide
(D) Haematite
Which substance is known as oil of vitriol?
(A) Hydrochloric Acid
(B) Nitric Acid
(C) Sulphuric Acid
(D) Hexane
Hypochlorous acid HClO is unstable and readily liberates:
(A) CIO
(B) Atomic Oxygen
(C) Atomic Chlorine
(D) Atomic Hydrogen
Space rockets use fuel which is liquid oxygen mixed with liquid?
(A) Nitrogen
(B) Chlorine
(C) Hydrogen
(D) Helium
Which method is used for the purification of bauxite containing excess of silica SiO2 as an impurity?
(A) Hoope’s Method
(B) Serpek’s Method
(C) Baeyer’s Method
(D) Hall’s Method