Softening of hard water

Softening of hard water

University

11 Qs

quiz-placeholder

Similar activities

Boiler/ Cooling Water (week 2) (ACT/ Q 2)

Boiler/ Cooling Water (week 2) (ACT/ Q 2)

University

15 Qs

Ionic Bonding

Ionic Bonding

KG - University

11 Qs

Water Analysis

Water Analysis

University

8 Qs

UNIT I & II

UNIT I & II

University

10 Qs

Estimation of Alkalinity

Estimation of Alkalinity

University

10 Qs

WATER SUPPLY

WATER SUPPLY

University

15 Qs

Career Skill Development - Quiz 1

Career Skill Development - Quiz 1

University

10 Qs

Zeolites 05 : Desiccant & Ion exchange

Zeolites 05 : Desiccant & Ion exchange

University

10 Qs

Softening of hard water

Softening of hard water

Assessment

Quiz

Science, Chemistry

University

Hard

Created by

Sonaali Borkar

Used 65+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Identify water softening methods from following

Reverse Osmosis

Deionisation

Zeolite method

electrodialysis

activated sludge

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In lime soda method the principle is ----

Convert soluble salt into insoluble precipitate

substitute cations and anions of hardness producing salts

replace cations by Na+

none of the above

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Anion Exchange and Cation Exchange resins are part of ______________ process.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ion exchange process, ions removed from the water are exchanged with ions of _____________ from the resin's surface.

Similar charge (+ ,+)

Opposite charge (+, -)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water softened by Deionisation process has residual hardness as --

>50 ppm

> 10 ppm

< 2 ppm

100 ppm

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Advantages of ion exchange process are

Highly acidic and basic water can be treated

no sludge formation

cost effective method

compact

skilled supervisor required

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Disadvantage of Ion exchange process is --

Costly

more residual hardness

Difficult to operate

Turbidity and suspended particles can block the resin pores

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?