51. The toilet tank acts as a
52. Viruses are:
53. Washing my hands should be:
54. Wastewater released by houses is called
55. What are the objectives of NUSP?
56. What causes acid rain?
57. What element is added to water to prevent tooth decay?
58. What happens during the clarification or separation step at a wastewater treatmentplant?
59. What happens during the disinfection step at a wastewater treatment plant?
60. What happens to liquid wastewater in a septic tank?
MCQ Multiple Choice Questions and Answers on Sanitation Health and Hygiene
Sanitation Health and Hygiene Trivia Questions and Answers PDF
Sanitation Health and Hygiene Question and Answer
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