Ion Exchange Chemistry MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 29, 2025

1. : _____ is also known as the exchange process.
(A) Permutit’s process
(B) Lime soda process
(C) Zeolite process
(D) Demineralization

2. : _____ is the operational cost for the process of ion exchange.
(A) High
(B) Very low
(C) Very high
(D) Low

3. : To _____ reduction of hardness in the ion exchange process is done.
(A) 0-1ppm
(B) 0-4ppm
(C) 0-3ppm
(D) 0-2ppm

4. : In ion-exchange process ____ are completely removed.
(A) Dissolved gases
(B) Dissolved solvents
(C) Dissolved solids
(D) Dissolved other impurities

5. : In boilers the water is ideal which is softened during the ______
(A) Zeolite method
(B) Permutit’s process
(C) Demineralisation method
(D) Lime soda method

6. : Due to _______ ion-exchange process is the clean process.
(A) Sludge formation
(B) Other precipitates are formed
(C) Little sludge is formed
(D) No sludge formation

7. : In ion-exchange process regeneration of acids and alkalis is _____
(A) Cheaper
(B) Hard process
(C) Time taking
(D) Costlier

8. : By passing ____ cation exchange resin is generated in ion-exchange process.
(A) Acids
(B) Alkalis
(C) Dilute acids
(D) Dilute alkalis

9. : The ion exchange process cannot function properly due to ______ in the case of zeolites.
(A) Turbidity and suspended matter
(B) Suspended matter
(C) Turbidity
(D) Neither turbidity nor suspended matter

10. : In ion-exchange process the initial equipment is _____
(A) Very less
(B) Less
(C) More
(D) Very high

11. : The residual hardness is ______ after treatment of water.
(A) 1 ppm
(B) Less than 2ppm
(C) 2 ppm
(D) Less than 1ppm

12. : By having the _____ continuous supply of soft water can be provided.
(A) High-pressure boilers
(B) Required amount of ppm
(C) Storage facilities
(D) 1ppm

13. : _______ is the cost of resins used in the process of ion exchange.
(A) Depends on water
(B) Low
(C) Moderate
(D) High

14. : The mineral-free water is the water which cannot be used for _____
(A) Drinking
(B) Cosmetics
(C) Explosives
(D) Pharmaceuticals