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 Sodium tripolyphosphate (STPP) Caustic soda Sodium borate Sodium silicate Sodium tripolyphosphate (STPP) Caustic soda Sodium borate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The noble gas which occurs most abundantly in the atmosphere is Neon Krypton Helium Argon Neon Krypton Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is A slow reaction All of these Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction All of these Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove Turbidity All of these Colour Bacteria Turbidity All of these Colour Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using molasses as the starting raw material. Dimethyl ether Methyl alcohol Ethyl alcohol Benzol Dimethyl ether Methyl alcohol Ethyl alcohol Benzol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Proximate analysis of coal determines its __________ content. Moisture & volatile matter Moisture, sulphur, nitrogen & fixed carbon Moisture, ash, sulphur & volatile matter None of these Moisture & volatile matter Moisture, sulphur, nitrogen & fixed carbon Moisture, ash, sulphur & volatile matter None of these ANSWER DOWNLOAD EXAMIANS APP