Chemistry Ultra purification of a metal is done by : Zone melting Leaching Slugging Smelting Zone melting Leaching Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Antibiotic Antimalarial Anaesthetic Analgesic Antibiotic Antimalarial Anaesthetic Analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Sodium Carbonate Pure Water H2SO4 HCl Sodium Carbonate Pure Water H2SO4 HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is Infinity 4J 2J Infinity 4J 2J ANSWER DOWNLOAD EXAMIANS APP