Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 7 (Q.No. 23)

UPSC Civil Service Exam Questions

23.

Dechlorination of water is achieved by adding

sodium thiosulphate

sodium sulphate

sodium hexametaphosphate

sodium bisulphate

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

9 comments Page 1 of 1.

Ekon said: 7 years ago

B is also a correct option, I think.

(1)

Rahul khan said: 8 years ago

Sulfur dioxide SO2 also correct for this.

The Vikram SyaL said: 7 years ago

Option A is correct but sodium thiosulphate is cheapest among them.

Anu said: 7 years ago

A and b are right options I think.

Vivekanand said: 5 years ago

I think D option is correct.

Adithya said: 4 years ago

Agree, Option A is the correct answer.

NOGHELI K ACHUMI said: 4 years ago

Both A, B & Dd options are correct.

Yashar said: 4 years ago

Activated carbon, Sodium thiosulphate, Sodium bisulfate.

Vishal Mor said: 4 years ago

Sodium thiosulphate and sodium bisulphate is correct.

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