Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.158 0.323 0.201 0.273 0.158 0.323 0.201 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an oxidation reaction an addition reaction a condensation reaction an elimination reaction an oxidation reaction an addition reaction a condensation reaction an elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Lithium Chlorine Nitrogen Fluorine Lithium Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? DDT Lindane Parathion Carbary DDT Lindane Parathion Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP