Chemical Process __________ is the major constituent of the Portland cement. Calcium sulphate Calcium carbonate Calcium oxide Tricalcium silicate Calcium sulphate Calcium carbonate Calcium oxide Tricalcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most reactive allotropic form of phosphorus is __________ phosphorus. Yellow Black Red Violet Yellow Black Red Violet ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 55 35 15 70 55 35 15 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a pyrite ore? Galena Gypsum Siderite Celestite Galena Gypsum Siderite Celestite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS