Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Produce long fibres None of these Prevent deterioration on storage Remove lignin Produce long fibres None of these Prevent deterioration on storage Remove lignin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? None of these Limestone Nitric acid Ammonia None of these Limestone Nitric acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Industrial production of chloroform requires acetone and Chlorine Ammonium chloride Calcium hypochlorite Phosgene Chlorine Ammonium chloride Calcium hypochlorite Phosgene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. -83 -218 -196 -183 -83 -218 -196 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of Silicone Polyurethanes Polyamides PVC Silicone Polyurethanes Polyamides PVC ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% ANSWER DOWNLOAD EXAMIANS APP