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Doctors Medicines MCQs Q&A

  1. Neither factor I nor II affects.
  2. Only factor II affects.
  3. Both factors I and II affect.
  4. Only factor I affects.
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Option 3 : Both factors I and II affect.

Explanation:

Coagulation:

  • The process of removal of suspended solids in water by the use of a chemical agent is known as coagulation.
  • Coagulation is carried out for the filtration and purification of water.

Factors that affect coagulation are:

  • Chemical used in coagulation.
  • pH.
  • Alkalinity
  • Temperature
  • Time
  • Velocity
  • Zeta potential

From the above, both factors I and II affect coagulation. 

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Related Questions

In the question below is given a statement followed by two courses of actions numbered I and II. A course of action is a step or administrative decision to be taken for improvement, follow-up or further action in regard to the problem, policy, etc. On the basis of the information given in the statement to be true, then decide which of the suggested courses of action logically follow(s) for pursuing. Statement: The wastage of water is discouraged by all the nations across the globe. The water table is depleting and it is claimed that by 2050, there will be an acute shortage of water. Measures to harvest rainwater are being encouraged.  Courses of action: I. The amount of water to be used in households should be limited by all governments.  II. All domestic households should be advised to install rainwater harvesting systems and reuse of water should be promoted.?
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