Related Questions

Which of the following is used as a coagulant in treating turbid water?
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Consider the following statements regarding coagulant aids: 1. They are employed when temperature is low as they then accelerate the process of coagulation. 2. They are employed when flocs are small and water is coloured. 3. With their use, water purification capacity of the plant is increased. 4. Most widely used materials are oxidants absorbents, weighing agents, activated carbon and polyelectrolytes. Which of the above statements are correct?
Assertion A: Alum is the most commonly used coagulant in water treatment. Reason R: Alum is very effective in killing pathogens present in the water. Which of the following is correct?
Which coagulant is widely used for sewage treatment?
The most widely used coagulant for removing suspended impurities from water is
Most widely and commonly used coagulant for the removal of suspended impurities in water is
The amount of coagulant needed for coagulation of water increases with
(i) Increase in turbidity of water
(ii) Decrease in turbidity of water
(iii) Increase in temperature of water
(iv) Decrease in temperature of water
The correct answer is
The most commonly used chemical coagulant in water treatment is
Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in PET Bottle or Glass Water Bottles. Bottled water is comprehensively regulated by the U.S. Food and Drug Administration (FDA) as a packaged food product. By law, the FDA regulations for bottled water must be at least as stringent as the Environmental Protection Agency standards for tap water. What inference can be drawn from the above passage?