Civil Engineering - Concrete Technology - Discussion

14. 

Saw dust can be rendered chemically inert by boiling it in water containing

[A]. ferrous sulphate
[B]. potassium chloride
[C]. ammonia
[D]. nitric acid
[E]. sulphuric acid.

Answer: Option A

Explanation:

No answer description available for this question.

Pallavi said: (Mar 20, 2018)  
How it will be?

Aakash said: (Mar 23, 2018)  
What is Saw Dust?

Garima said: (Dec 5, 2018)  
What is meant by rendered chemically?

Lalit Roy said: (Dec 29, 2018)  
Sawdust is the light-weight binding materials which are used earlier, it is the dust which is obtained by cutting the timber with Hacksaw 4 Called Saw Dust @Aakash.

Rendered chemically means blended (Mixing) with chemical (ferrous sulphate ).

So, the Answer A is correct.

Vikas said: (Dec 29, 2019)  
Why we are adding ferrous sulphate?

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