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Applied Chemistry Practice Test: Water
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Avg score: 67% Most missed: “The initial equipment in the ion exchange process is ___________”
Water topics include: Sources of water, impurites and hardness of water, hardness estimation, lime washing soda method, permutits and ion exchange process, water pollutants types, water pollution methods, biological oxidation process, reverse osmosis, cod and bod, problems and formulas, water pollution control and monitoring. Water is an inorganic compound with the chemical formula H 2O. It is a transparent, tasteless, odorless, and nearly colorless chemical substance, and it is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as a... Show more
Applied Chemistry Practice Test: Water
Time left 00:00
25 Questions

1. Reagent used in the lime soda process is _______
2. The BOD value of the domestic sewage is about __________
3. Lime soda process does not involve steps.
4. The hardness of moderately hard water is about _____________
5. In zeolite process, the dissolved ________ is not removed.
6. In ion exchange process, the cation exchange resin is generated by passing ____________
7. The standard hard water is prepared such that each ml must contain ________ mg of CaCO3.
8. What is the full form of BOD?
9. The final hardness of the water after treating by the hot lime soda process is about __________
10. To prepare EDTA solution _________ grams of EDTA is dissolved in the one litre of water.
11. In batch process, when the tank gets filled then it indicates that ____________
12. The BOD value of the food industry is about ___________
13. In the case of the zeolites, ion exchange process do not function properly because of the __________
14. The PH value of the drinking water is about _________
15. In hot lime soda process, the bacteria in water is reduced to the minimum due to the _________
16. Domestic water treatment is carried out under __________ conditions.
17. The suspended impurities is negligible due to the filtering action of __________
18. The change in colour is sharper at the PH of ________
19. Which of the following process does not remove the permanent hardness of water?
20. The continuous supply of soft water can be provided by having ____________
21. Infectious hepatitis is caused by ___________
22. The unpleasant odour of the water is due to presence of the __________
23. Lime soda process removes _________ from the water.
24. The chloride in drinking water range can be about ___________
25. The very hard water has the hardness of CaCO3 is given by ___________

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