Chemistry Tear gas used by the police to disperse the mob contains Ammonia Carbon dioxide Chlorine Hydrogen sulphide Ammonia Carbon dioxide Chlorine Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Calcination Smelting Roasting Refining Calcination Smelting Roasting 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 elimination reaction a condensation reaction an addition reaction an oxidation reaction an elimination reaction a condensation reaction an addition reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1025 6.023 × 1023 6.023 × 1022 6.023 × 1024 6.023 × 1025 6.023 × 1023 6.023 × 1022 6.023 × 1024 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Electron, proton Neutron, electron Neutron, positron Proton, neutron Electron, proton Neutron, electron Neutron, positron ANSWER DOWNLOAD EXAMIANS APP