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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. Deep well water possess the rotten egg smell due to the dissolved ________
2. Waste water released from _________ are not the sources of bacteria.
3. The operational cost of the ion exchange process is __________
4. The PH value of the drinking water is about _________
5. Amoebic dysentery is caused by ___________
6. In zeolite process, the dissolved ________ is not removed.
7. In domestic water treatment, after the primary treatment _________ is done.
8. Reagent used in the lime soda process is _______
9. The initial equipment in the ion exchange process is ___________
10. The colour and odour of the natural water is due to the presence of the ___________
11. Dried sludge can be used as _________
12. Batch process is only used for removing the hardness of the water on _________
13. Estimation of hardness can be determined by ________ types.
14. Fishes can store more quantity of ___________ in their bodies.
15. The organic matter present in the water is of __________ types.
16. Total hardness of water can be determined by titrating the fixed volume of water against the standard ___________ solution.
17. In the trickling filter process, the _________ build up and they block the passage.
18. __________ should be free of turbidity as they interfering in exchange process.
19. All impurities are oxidised into the _________ and ___________ in the biological oxidation process.
20. COD is the short form of the chemical oxygen demand.
21. Hardness of the water in the lime soda process is reduced to __________
22. In dissolved mineral salts ___________ gets converted into the bicarbonates by the action of carbondioxide by water.
23. The quantity of water available for the actual use is _________
24. In batch process, when the tank gets filled then it indicates that ____________
25. __________ of water is struck in underground which is not accessibly.