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Which of the following fluid is used in web scrubbers?

(a) Lime

(b) MgSO4

(c) NaCl

(d) K2Cr2O7

The question was posed to me in unit test.

I need to ask this question from Devices to Control Air Pollution topic in chapter Air Pollution of Environmental Engineering

1 Answer

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Best answer
Correct option is (a) Lime

Easy explanation: Apart from lime, K2CO3, a slurry of MnO and MgO and water can be used  in Web scrubber.

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