Chemistry The important metal used with iron to produce stainless steel is Tin Carbon Aluminium Chromium Tin Carbon Aluminium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Coal Diesel Kerosene Hydrogen Coal Diesel Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbene Free radical Carbocation Carbanion Carbene Free radical Carbocation Carbanion ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Neutrons Protons Positrons Electrons Neutrons Protons Positrons ANSWER DOWNLOAD EXAMIANS APP