Chemical Process Pick out the wrong statement pertaining to nitric acid. 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 Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury cells for caustic soda manufacture, compared to diaphragm cells Produce lower concentration NaOH Require more power Require lower initial investment None of these Produce lower concentration NaOH Require more power Require lower initial investment None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plasticisers are added to paints to Make it corrosion resistant Increase atmospheric oxidation Make glossy surface Give elasticity & prevent cracking of the film Make it corrosion resistant Increase atmospheric oxidation Make glossy surface Give elasticity & prevent cracking of the film ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which allotrope of sulphur is insoluble in carbon disulphide? Milk of sulphur Rhombic sulphur Monoclinic sulphur Plastic sulphur Milk of sulphur Rhombic sulphur Monoclinic sulphur Plastic sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1500°C 750°C 500°C 1000°C 1500°C 750°C 500°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at 1 atm & 100°C 100 atm & 500°C 5 atm & 275°C 50 atm & 1000°C 1 atm & 100°C 100 atm & 500°C 5 atm & 275°C 50 atm & 1000°C ANSWER DOWNLOAD EXAMIANS APP
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