Reading
Language and writing
Essay
Mathematics
Physics
Chemistry
Mathematics
Biology
Other Resources
  • Other Resources Topics
Physics
Chemistry
Mathematics
Physics
Chemistry
Biology
Sample Papers
PastYear Papers
NEET Chapterwise Weightage
  • NEET Chapterwise Weightage Topics
NEET Syllabus
Answer key
IB DP Physics (HL & SL)
IB DP Chemistry (HL & SL)
IB Preparation Books (MYP & DP)
Class 12th PCM
Class 12th PCB
Class 11th PCM
Class 11th PCB
Class 10th
Class 9th
Class 8th
Class 7th
Class 6th

Coagulation or Flocculat..



Post Your Question

Maximum Characters:

Post as a guest

I agree to terms and conditions, privacy policy and cookies policy of TestprepKart by submitting question here.

Q1. Why Magnesium carbonate is not commonly preferred as coagulant?

(a) It is expensive
(b) It does not remove color
(c) Formation of sludge
(d) The time required for floc formation is less

Q2. Ferric chloride is effective over a pH range of __________

(a) 3.5-6
(b) 6.5-8
(c) 3.5-6.5
(d) 2-5

Q3. The chemical composition of Chlorinated Copperas is __________

(a) Fe2 (SO4)3 + FeCl3
(b) FeSO4.9H2O
(c) FeSO4.18H2O
(d) Fe2 (SO4)3

Q4. Why Alum is preferred over other coagulants?

(a) It is easy to dewater the sludge formed
(b) It imparts corrosiveness to water
(c) It reduces taste and odor in addition to turbidity
(d) The time required for floc formation is less

Q5. Alum is effective when pH of water is between ____

(a) 8-10
(b) 6-8
(c) 6.5-8.5
(d) 7-9

Q6. What indicates the permanent hardness when alum is added to water?

(a) Al (OH)3
(b) CaSO4
(c) CO2
(d) Ca (OH)3

Q7. Which gas is released when alum is added to water?

(a) Al (OH)3
(b) CaSO4
(c) CO2
(d) Ca (OH)3

Q8. The chemical compound which is insoluble in water, formed when alum is added to water is _____________

(a) Al (OH)3
(b) CaSO4
(c) CO2
(d) Ca (OH)3

Q9. The chemical composition of Alum is _____________

(a) Al2 (SO4)3.18H2O
(b) Al2 (SO4)2.18H2O
(c) Al3 (SO4)2.18H2O
(d) Al4 (SO4)3.18H2O

Q10. What is formed when coagulant is added to water?

(a) Scum
(b) Soap
(c) Bubbles
(d) Floc


0 votes
0 Answer
323 views

In The Case Of Small Cuts, Bleeding Is Stopped By Applying Potash Alum. Here Alum Acts As

Modified 5 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

323
5 Year Ago

In The Case Of Small Cuts, Bleeding Is Stopped By Applying Potash Alum. Here Alum Acts As

0 votes
0 Answer
314 views

Activated Charcoal Is Used To Remove Colouring Matter From Pure Substances. It Works By

Modified 5 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

314
5 Year Ago

Activated Charcoal Is Used To Remove Colouring Matter From Pure Substances. It Works By

0 votes
0 Answer
309 views

In The Adsorption Of A Gas On Solid, Freundlich Isotherm Is Obeyed. The Slope Of The Plot Is Zero. Then The Extent Of Adsorption Is

Modified 242 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

309
242 Year Ago

In The Adsorption Of A Gas On Solid, Freundlich Isotherm Is Obeyed. The Slope Of The Plot Is Zero. Then The Extent Of Adsorption Is

0 votes
0 Answer
308 views

The Decomposition Of Hydrogen Peroxide Can Be Slowed By The Addition Of Acetamide. The Latter Acts As A

Modified 5 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

308
5 Year Ago

The Decomposition Of Hydrogen Peroxide Can Be Slowed By The Addition Of Acetamide. The Latter Acts As A

0 votes
0 Answer
305 views

In Freundlich Adsorption Isotherm, The Value Of 1/n Is

Modified 242 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

305
242 Year Ago

In Freundlich Adsorption Isotherm, The Value Of 1/n Is

0 votes
0 Answer
284 views

Plot Of Log X/m Against Log P Is A Straight Line Inclined At An Angle Of 45° . When The Pressure Is 0.5 Atm And Freundlich Parameter, K Is 10, The Amount Of Solute Adsorbed Per Gram Of Adsorbent Will

Modified 242 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

284
242 Year Ago

Plot Of Log X/m Against Log P Is A Straight Line Inclined At An Angle Of 45° . When The Pressure Is 0.5 Atm And Freundlich Parameter, K Is 10, The Amount Of Solute Adsorbed Per Gram Of Adsorbent Will

0 votes
0 Answer
283 views

Choose The Incorrect Statement In Respect Of Physisorption

Modified 242 Year Ago

A PHP Error was encountered

Severity: Notice

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

Filename: views/index.php

Line Number: 706

Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
Line: 706
Function: _error_handler

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/controllers/Exam.php
Line: 89
Function: view

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/index.php
Line: 315
Function: require_once

283
242 Year Ago

Choose The Incorrect Statement In Respect Of Physisorption

JEE Coaching Classes

Coaching classes for Physics, Chemistry and Maths...
Trusted By NRIs in UAE, Saudi, Oman, Qatar...

Get Free JEE Analysis Session

JEE Blogs

Get recent JEE News & Updates

JEE Admission

Admission counseling targeting India & US

JEE Community

Browse through thousands of JEE Questions asked by visitors and replied.

Contribute to existing questions or ASK YOURS
TestprepKart

TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].

Platforms

Menu

India Office: F - 377, Sector 63, Noida, U.P. - India (201301)

UK Office: 1 Locke Close, Harlow CM20 2GW, United Kingdom.

+91 8800 1234 92

+91 0120 - 4525484

[email protected]

WhatsApp Chat

JEE Information

JEE Preparation

JEE Application / Admission

Colleges

© Copyright 2024 www.testprepkart.com

Topics Post Question