Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Salt, limestone and coke or gas Ammonia limestone and coke Ammonia, salt and limestone None of these Salt, limestone and coke or gas Ammonia limestone and coke Ammonia, salt and limestone None of these ANSWER DOWNLOAD EXAMIANS APP
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 Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by 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 Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Regenerated cellulose nitrate Cellulose acetate Regenerated cellulose acetate Cellulose nitrate Regenerated cellulose nitrate Cellulose acetate Regenerated cellulose acetate Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sand and __________ is fused at 1300°C, to produce sodium silicate. Sodium sulphate Coke Limestone Soda ash Sodium sulphate Coke Limestone Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Comparing sulphate process with sulphite process, we find that __________ in the later. Temperature is more in the former whereas pressure is more Both temperature & pressure in the former is less than that Pressure is more in the former whereas temperature is less Both temperature & pressure in the former is more than that Temperature is more in the former whereas pressure is more Both temperature & pressure in the former is less than that Pressure is more in the former whereas temperature is less Both temperature & pressure in the former is more than that ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -196 -183 -53 -103 -196 -183 -53 -103 ANSWER DOWNLOAD EXAMIANS APP