Chemical Engineering - Chemical Engineering Basics - Discussion

12. 

Lime contains about 90% CaO. Percentage CaO present in limestone is about

[A]. 25
[B]. 50
[C]. 70
[D]. 80

Answer: Option B

Explanation:

No answer description available for this question.

Karthikeyan said: (Jan 14, 2019)  
How? Explain.

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