Presence of iron and manganese in water causes___________________?
Correct answer: A. Discoloration of bathroom fixtures
- A. Discoloration of bathroom fixtures
- B. Reduction in its dissolved oxygen content
- C. Temporary hardness
- D. None of these
Explanation
Iron and manganese oxidise or precipitate as coloured deposits, producing staining and discoloration of bathroom fixtures. They do not primarily cause temporary hardness, which is associated with bicarbonates of calcium and magnesium.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
TLV of mercury in potable (drinking) water is about ______________ ppm?
Presence of a certain minimum quantity of fluorine is desirable in potable water to prevent___________________?
Pick out the wrong statement. A. Caustic embrittlement of boiler's metallic parts is caused by high concentration of caustic soda in boiler feed water___________________?
Presence of soluble organics in polluted water causes_________________?
Persons working in cement plants and limestone quarries are more prone to disease like__________________?
The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the __________________?