Chemical Process Presence of carbonaceous matter in the sewage Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium carbonate (soda ash) is not used in the manufacture of Baking powder Fire extinguishers Sugar Detergents Baking powder Fire extinguishers Sugar Detergents ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of vinegar? Neither A nor B Around 1% acetic acid Both A and B Around 10% alcohol Neither A nor B Around 1% acetic acid Both A and B Around 10% alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an organo-metal-lic compound? Cumene Tetra-ethyl lead Isopropyl alcohol Zeolite Cumene Tetra-ethyl lead Isopropyl alcohol Zeolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C. 500-600 44134 250-280 500-600 44134 250-280 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.94 0.34 0.14 1.4 0.94 0.34 0.14 1.4 ANSWER DOWNLOAD EXAMIANS APP
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