Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Ultraviolet light None of these Dilute H₂SO₄ Oleum Ultraviolet light None of these Dilute H₂SO₄ Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electric bulbs are made of __________ glass. Flint Pyrex Jena Crookes Flint Pyrex Jena Crookes ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Industrial production of chloroform requires acetone and Ammonium chloride Calcium hypochlorite Phosgene Chlorine Ammonium chloride Calcium hypochlorite Phosgene Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Iron ore hametite is concentrated using Roasting Electro magnetic separation mainly Gravity separation Froth floatation Roasting Electro magnetic separation mainly Gravity separation Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 500°C 1000°C 1500°C 750°C 500°C 1000°C 1500°C 750°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium silicate Caustic soda Sodium tripolyphosphate (STPP) Sodium borate Sodium silicate Caustic soda Sodium tripolyphosphate (STPP) Sodium borate ANSWER DOWNLOAD EXAMIANS APP