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Migration of ions



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Q1. The residual hardness in ion-exchange process is ____________

(a) 0-2 ppm
(b) 5-10 ppm
(c) 10-15 ppm
(d) 20-30 ppm

Q2. In ion-exchange process, the capital cost is _________ and the operational expenses are ______________

(a) Low, high
(b) High, low
(c) High, high
(d) Low, low

Q3. The raw water used for ion-exchange process should be turbid.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q4. The exhausted anion exchange column is regenerated by passing a solution of ____________

(a) Dil. KOH
(b) Conc. KOH
(c) Conc. NaOH
(d) Dil. NaOH

Q5. The exhausted cation exchange column is regenerated by passing a solution of ____________

(a) Dil. HCl
(b) Dil. NaCl
(c) Conc. HCl
(d) Conc. NaCl

Q6. Which of the following statement is incorrect about the demineralised water?

(a) It is as pure as distilled water
(b) It is very good for use in high pressure boilers
(c) It is fit for domestic use
(d) It can be made either by distillation or by using cation and anion exchangers

Q7. Ion-free water coming out from the exchanger is known as ____________

(a) Potable water
(b) Disinfected water
(c) Coagulated water
(d) Demineralised water

Q8. Which of the following ion get released from the anion exchange column?

(a) CO3-2
(b) OH?
(c) Cl?
(d) SO4-2

Q9. Which of the following ion get released from the cation exchange column?

(a) H+
(b) Na+
(c) K+
(d) Ca+2

Q10. Ion-exchange resin is ____________

(a) Linear
(b) Low molecular weight
(c) Organic polymer with porous structure
(d) Soluble


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Modified 247 Year Ago

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Modified 247 Year Ago Sangeeta

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Sangeeta
247 Year Ago

The Significant Figures In 34.00 Are

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Modified 241 Year Ago

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Modified 247 Year Ago

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Modified 9 Year Ago

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Modified 247 Year Ago

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Severity: Notice

Message: Trying to get property 'name' of non-object

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