Chemical Process Blue colour is imparted to glass by the addition of CaO PbO FeSO₄ NaOH CaO PbO FeSO₄ NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Filtration (through gravity sand filter) Boiling Addition of lime Addition of alum (a coagulant) Filtration (through gravity sand filter) Boiling Addition of lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are added in lacquers to remove film brittleness and to improve adhereness. Film forming materials Plasticisers Diluents Solvents Film forming materials Plasticisers Diluents Solvents ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ordinary glass is not a/an Amorphous isotropic material Material with sharp definite melting point Supercooled liquid Electrical insulator Amorphous isotropic material Material with sharp definite melting point Supercooled liquid Electrical insulator ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glycerine is recovered from lye by Extractive distillation technique Evaporation followed by vacuum distillation Liquid extraction technique None of these Extractive distillation technique Evaporation followed by vacuum distillation Liquid extraction technique None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial production of calcium carbide requires limestone and __________ as raw materials. Coke Sand Fuel oil Soda ash Coke Sand Fuel oil Soda ash ANSWER DOWNLOAD EXAMIANS APP