In sewage treatment, its sedimentation is speeded up by commonly adding Options: A . &nbspHydrochloric acid B . &nbspLime C . &nbspCopper sulphate D . &nbspSodium sulphate

In sewage treatment, its sedimentation is speeded up by commonly adding

Question

In sewage treatment, its sedimentation is speeded up by commonly adding

Options:

A . Hydrochloric acid

B . Lime

C . Copper sulphate

D . Sodium sulphate

Answer: Option B

Submit Your Solution Below and Earn Points !

Next Question

Question 1. Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region c....supresonic transport air-crafts is mostly in the atmospheric region called

Question 2. Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels.....or inside a sub-way train corresponds to about __________ decibels.

Question 3. Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.....

Question 4. Out of the following, TLV of __________ is the minimum (about 0.02 ppm).....

Question 5. Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about....during a large orchestra show corresponds to about __________ decibels.

Question 6. Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels.....

Question 7. On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because....

Question 8. Which of the following dust collection equipments is the least efficient (for sub-micronic particles)?....

Question 9. Peroxyacyl nitrate (PAN), a pollutant is found in the....

Question 10. In water treatment, alum[Al2(SO₄)3] is used for the process of....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0