Chemical Process Which of the following is an ore of iron? Chalcopyrite Galena Bauxite Hematite Chalcopyrite Galena Bauxite Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Washing soda Baking powder Baking soda None of these Washing soda Baking powder Baking soda None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Linde process of gas liquefaction employs Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing the gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing the gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Low temperature carbonisation of coal takes place at __________ °C. 900 300 700 1100 900 300 700 1100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Major component of flint glass is Alumina Soda Lead oxide Silica Alumina Soda Lead oxide Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Blue colour is imparted to glass by the addition of NaOH PbO FeSO₄ CaO NaOH PbO FeSO₄ CaO ANSWER DOWNLOAD EXAMIANS APP