Chemistry Fsc Part 2 Online Test With Answers

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Chemistry Fsc Part 2 Online Test

Sr. # Questions Answers Choice
1 Which one of the following is formed when ethyne is heated in copper tube at 300 oC Ethene Ethane Benzene Cyclohexane
2 Which one of the following substances have garlic odour and a colourless gas. CH3OH HCOOH CH2=CH2 HC= CH
3 Acetylene polymerized in the presence of ammonium chloride and cuprous chloride ot form. Benzene PVC Di vieiyl acetylene Polyethene
4 Acetylene reacts with ammoniacal cuprous chloride a red ppt is formed. This red ppt is of Copper chlorite Coper chlorate Cupric oxide Copper acetylide
5 Which one is alcylic compound Pyridine Toluene Ethyl Benzene Ethylcyclobutane
6 Which one of the following gases is used welding purpose usualy. Methane Ethane Ethene Acetylene
7 Which one of the following gases is used in welding purpose usually Methane Ethane Ethene Acetylene
8 Which one of the following compounds will form red precipitate with ammoniacal cuprous chloride Acetylene Ethylene Benzene Methane
9 Vinyl chloride when boiled with alcoholic KOH , gives Acetylene Ethylene Ethene Ethyl alcohol
10 Ranney nickel is prepared by reacting dilute NaOH solution with. Nickel Brass Nickel and aluminum alloy Nickel oxide
11 Raney Nickel is Nickel compound Naturally occurring nickel Spongy form of a nickel Alloy of nickel
12 Sodalime is NaOH Mixture of Na and Ca(OH)2 KOH Mixture of CaO and NaOH
13 A gas decolorizes alkaline KMnO4 but has no action with ammoniacal AgNO3, this gas may be C2H2 C2H4 C2H6 CH4
14 Which one of the followings is major product when HBr reacts with 2-butene 2- bromobutane 1- bromobutane 1-1 di bromobutane 1,2 di bromobutane
15 What type of reaction occurs between ethene and hydrogen. Addition Substitution Oxidation Dehydration
16 Which one of the following can best be used to distinguish between samples of ethane and ethene Aqueous BaCl2 Aqueous bromine Lime water Litmus solution
17 Which one of the following compounds will decolorized both acidified KMnO4 and aqueous bromine. Benzene Ethane Ethene Methane
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