1. Consider the following statements :1. Alum coagulation decreases the alkalinity of water.2. Alum coagulation increases permanent hardness of water.3. Alum coagulation decreases pH of water.4. Alum coagulation produces aluminium hydroxide flocks in the flocculation process.Which of the statements given above are correct ?
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use