Chemical Process The amount of benzene present in pure benzol is about __________ percent. 70 50 30 90 70 50 30 90 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature It decomposes on further increasing the temperature None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature It decomposes on further increasing the temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) It is a strong mono basic acid which reacts with almost all the metals except noble metals About 90% of nitric acid is manufactured by Ostwald Arc process of nitric acid manufacture is economical as compared to Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) It is a strong mono basic acid which reacts with almost all the metals except noble metals About 90% of nitric acid is manufactured by Ostwald Arc process of nitric acid manufacture is economical as compared to Ostwald ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. -218 -183 -83 -196 -218 -183 -83 -196 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphate rock is a raw material for the manufacture of Phosphoric acid All of these Superphosphates Phosphorous Phosphoric acid All of these Superphosphates Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nylon 66 is so named because the Average degree of polymerisation of the polymer is 1966 Number of carbon atoms between two nitrogen atoms are 6 Number of nitrogen atoms between two carbon atoms are 6 Polymer was first synthesised in 1966 Average degree of polymerisation of the polymer is 1966 Number of carbon atoms between two nitrogen atoms are 6 Number of nitrogen atoms between two carbon atoms are 6 Polymer was first synthesised in 1966 ANSWER DOWNLOAD EXAMIANS APP