PPSC Chemistry Part II Organic Chemistry Online Test With Answers

PPSC Chemistry Part II Organic Chemistry Online Test

Sr. # Questions Answers Choice
1 Which of the following statements is not correct with the concept of Bronsted concept of acids and bases. An acid can donate a proton A base can accept a proton This concept has many bases that have OH- ions This concept is more general
2 Which of the following statement is not correct n respect of Arrhenius concept. The concept is applicable only for aqueous systems. Neutralization takes place in aqueous mediam only TH+ ion cannot remain as such in water This concept is applicable for non aqueous system only.
3 Which of the following is strong adheaive. Epoxy resin Melamine -formadehyde resin Alkyd resins Bakelite
4 SAN is a polymer of Styrene Acrylonitrile Both A and B Vinyl chloride
5 Which of the following polymers is chlorinated. Orlon Neoprene Dacron None of these
6 Soft drinks and baby feeding bottles are generally made up Polyeater Polyurethens Polyamide Polyetyrene
7 What type of inter molecular force present in nylon-66o Vander wall Hydrogen bond Dipole -dipole interactions Sulphide linkage
8 Which is not true about polymers. Polymers do not carry any charge Polymers have high viscosity Polymers scatter light Polymers have low molecular weight
9 Which of the following contains isoprene unite. Natural rubber Nylong -6,6 Polyethylene Decron
10 Orion is polymer of. Styrene CF2 = CF2 Vinyl chloride Acrylontrile
11 Which of the following is used to make non-stick material. Vinyl cyanide Tetrafluoroethene Vinyl chloride Styrene
12 Monomer of neoprene rubber to 1-chloro 1,3- butadiene 2- chlro, 1,3-butadiene 2-Bromo -1,3- butadiene 2-Methyl 1,3-butadiene
13 Monomers are Teflon is Monochloroethene 1,2- Difluoroethene 1,1,2- Trifluoroethene Tetrafluoroethene
14 In order to give strength and elasticity natural rubber is heated with. Sulphur Oxygen Nitrogen Chlorine
15 Gutta percha is Cis poly imprene Trans -polyisoprene Polyethylene Polyisobutylene
16 Monomer of natural rubber is 1,3-Butadiene 2-Methyl -1,3-butadiene 1,2 -Butadiene 1,3 - Pentadiene
17 In which polymer the strength of inter molecular forces is maximum Elastomers Thermoplastic Fibre Cross linked polymer
18 High density polyethylene has which type of structure. Linear Branch chain Cross linked Any one of these
19 Ziegler -Natta catalysta is (C2H3)3 Al TiCl4 (C2H5)3 Al/TiCl4 (C2H3)3 B/TiCl2
20 Which of the following type of polymerization is used for the preparation of synthetic rubber. Free radical Zingler natta Cationic Anionic
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