Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Benzaldehyde Cinnaldehyde Formaldehyde Acetaldehyde Benzaldehyde Cinnaldehyde Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Nitrogen Helium Chlorine None of these Nitrogen Helium Chlorine None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Electronegativity Excitation potential Ionization energy Electron affinity Electronegativity Excitation potential Ionization energy Electron affinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sludge Sewage Sewer Scum Sludge Sewage Sewer ANSWER DOWNLOAD EXAMIANS APP
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