Chemistry Which one of the following is not a characteristic feature of alloys? They are Homogeneous systems Solutions Compounds Mixtures Homogeneous systems Solutions Compounds Mixtures ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Neon Argon Helium Oxygen Neon Argon Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will increase four-fold Will be reduced to half Remains unchanged Will be doubled Will increase four-fold Will be reduced to half Remains unchanged Will be doubled ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus Neutron Proton Electron ANSWER DOWNLOAD EXAMIANS APP