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.Management Sciences
Category: Chemistry Mcqs
When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?
0
A. Carboxylic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid
The most reactive allotropic form of phosphorus is________________?
A. White
B. Redox potential
C. Black
D. Violet
Propene can exhibit________________?
A. cis-trans isomerism
B. geometric isomerism
C. both a & b
D. none of the above
Which one exhibits aldol condensation____________________?
A. HCHO
B. C6H5CHO
C. Cl3CCHO
D. CH3COCH3
Free neutron changes into proton with the emission of__________________?
A. Neutrino
B. Electron
C. Both A & B
D. Meson
Ozone hole is substantial depletion of ozone in every year during__________________?
A. Aug – Nov
B. Sep – Nov
C. Nov – Dec
D. Dec – Jan
Which one of the following set of raw material is most suitable for manufacture of urea ?
A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2
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