PPSC Lecturer Chemistry MCQs contains all the important MCQs of Chemistry used in previous tests of PPSC for lecturer post. Hopefully, they are helpful for you to prepare for the exams. Good luck.
And, some of the important MCQs are:
The compound that is not Lewis acid:
(a) BF3 (b) BaCl2 (c) SnCl4 (d) AlCl3
re of Aluminium:
(a) Calamine (b) Dolomite (c) Bauxite (d) Limestone
Oxidation number of S in sulphuric acid:
Four (b) Six (c) Two (d) Eight
d-block elements form coordination compounds because of:
(a) Small Cationic size (b) Large ionic Charge
(c) Unfilled d-orbitals (d) Filled d-orbitals
Brass is an alloy of:
(a) Cu and Zn (b) Cu, Ni, Zn (c) Cu and Ni (d) Cu, Al, Zn
Urea is a high quality nitrogenous fertilizer with:
(a) 76% nitrogen (b) 46% nitrogen (c) 66% nitrogen (d) 26%
nitrogen
Diamond is:
(a) Good conductor of electricity (b) Bad conductor of electricity
(c) Bad conductor on heating (d) Good conductor on heating
Carbon monoxide is poisonous gas because it:
(a) replaces oxygen from lungs (b) forms carboxy haemoglobin
(c) Forms carbon dioxide with oxygen (d) has a sweet smell
Rust is:
(a) FeO + Fe(OH)2 (b) Fe2O3 + Fe(OH)2 (c) Fe2O3 (d) Fe2O3 +
Fe(OH)3
Calcium Carbide reacts with water to give:
(a) Methane (b) Ethylene (c) Acetylene (d) Ethane
Which of the following substituent deactivates benzene ring
and is o, p-directing?
(a) __ NH2 (b) __ Cl (c) __ OCH3 (d) __ OH
Which of the following is most readily nitrated?
(a) Toluene (b) Benzaldehyde (c) Nitrobenzene (d) Benzoic Acid
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Best of luck for your examinations.