Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Reduction Smelting Roasting Calcination Reduction Smelting Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CO & H₂ are the constituents of Coke oven gas Producer gas Water gas All of these Coke oven gas Producer gas Water gas All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hard water Is not unfit for drinking purpose All of these Does not affect the lather formation by soap Pollutes the water stream Is not unfit for drinking purpose All of these Does not affect the lather formation by soap Pollutes the water stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sea weeds are an important source of Chlorine Bromine Fluorine Iodine Chlorine Bromine Fluorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is Aluminium chloride 20% oleum Alumina Silica Aluminium chloride 20% oleum Alumina Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Both A & B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Both A & B Fire fighting purposes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS