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Total Questions : 62 | Page 7 of 7 pages
Question 61. Process in which water is treated with slaked lime and alum is called
  1.    sedimentation
  2.    coagulation
  3.    filtration
  4.    chlorination
 Discuss Question
Answer: Option B. -> coagulation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 62. Water that does not give scum with soap is called
  1.    hard water
  2.    soft water
  3.    distilled water
  4.    alcoholic water
 Discuss Question
Answer: Option B. -> soft water
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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