Chemical Process Roasting of metallurgical ores is done mainly to Sinter the ore Remove arsenic & sulphur Remove CO₂ & H₂O Dehydrate it Sinter the ore Remove arsenic & sulphur Remove CO₂ & H₂O Dehydrate it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. 50 75 > 30 < 10 50 75 > 30 < 10 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 tripolyphosphate (STPP) Sodium silicate Sodium borate Caustic soda Sodium tripolyphosphate (STPP) Sodium silicate Sodium borate Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Antibiotic Is used as a pain reliever Is an anaesthetic Is an antimalarial Inhibits/destroys the growth of microorganisms Is used as a pain reliever Is an anaesthetic Is an antimalarial Inhibits/destroys the growth of microorganisms ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hard water Does not affect the lather formation by soap Pollutes the water stream All of these Is not unfit for drinking purpose Does not affect the lather formation by soap Pollutes the water stream All of these Is not unfit for drinking purpose ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at 100 atm & 500°C 50 atm & 1000°C 5 atm & 275°C 1 atm & 100°C 100 atm & 500°C 50 atm & 1000°C 5 atm & 275°C 1 atm & 100°C ANSWER DOWNLOAD EXAMIANS APP