Chemical Process Pick out the false statement pertaining to water treatment. Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to None of these Prevent deterioration on storage Remove lignin Produce long fibres None of these Prevent deterioration on storage Remove lignin Produce long fibres ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an unsaturated fatty acid? Oleic acid Palmitic acid Stearic acid Lauric acid Oleic acid Palmitic acid Stearic acid Lauric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gun powder uses All of these Sulphur Charcoal Potassium nitrate All of these Sulphur Charcoal Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement setting under water employs a/an __________ process. Oxidation Reduction Decomposition Hydration Oxidation Reduction Decomposition Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. 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) 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 ANSWER DOWNLOAD EXAMIANS APP
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