Chemical Process Presence of carbonaceous matter in the sewage Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Baking soda Washing soda Baking powder None of these Baking soda Washing soda Baking powder None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre. Fibrillation Cutting Strengthening Hydration Fibrillation Cutting Strengthening Hydration 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. -183 -53 -196 -103 -183 -53 -196 -103 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material? Glasses Slag cement Teflon Porcelain/Potteries Glasses Slag cement Teflon Porcelain/Potteries ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mixture of chlorine & sodium bromide acts as a/an Insecticides Hydrogenation catalyst Fire retardant Analgesic drug Insecticides Hydrogenation catalyst Fire retardant Analgesic drug ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS