Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Roasting Reduction Calcination Smelting Roasting Reduction Calcination Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a pyrite ore? Celestite Gypsum Siderite Galena Celestite Gypsum Siderite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ordinary glass is not a/an Amorphous isotropic material Electrical insulator Supercooled liquid Material with sharp definite melting point Amorphous isotropic material Electrical insulator Supercooled liquid Material with sharp definite melting point ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Le-Blanc process is a primitive process for the manufacture of Hydrochloric acid Soda ash Bromine from sea water Caustic soda Hydrochloric acid Soda ash Bromine from sea water Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 200-300 4000-4500 700-850 2000-2200 200-300 4000-4500 700-850 2000-2200 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Anion exchanger is regenerated usually with NaOH Alum solution Hydrazine H₂SO₄ NaOH Alum solution Hydrazine H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP