Grand Test Chemistry ( Hydrocarbons)
Model Paper MCQs 30 Short #06 Long# 04 Sindh Education Foundation, Government of Sindh Chemistry Chemistry Official @chemistry model Section "A" 1. The reason that benzene burn with soot is: a) Aromaticity b) Inflammability c) High resonance energy d) High carbon contents 2. Catechol and Resorcinol are: a) chain isomers b) metamers c) position isomers d) functional isomers 3. The hybridization of carbon in benzene is: a) sp b) sp² c) sp³ d) sp³d² 4. The formula of saturated hydrocarbon is C3H6 it should be: a) propane b) propene c) cyclopropane d) propyne 5. The dehydration of alcohol gives: a) Alkene b) alkane c) alkyne d) benzene 6. The final products obtained when HBr is added to propyne molecule: a) 1,2- dibromo propane b) 1,1- dibromo propane c) 2,2- dibromo propane d) 2,3- dibromo propane 7. Alkenes are also called: a) proteins b) paraffins c) acetylene d) Olefins 8. Welding gas among the following is: a) ethyne b) ethane c) e...
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