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In limestone, 40% is calcium and the rest is carbon and oxygen. If in 20 kg of limestone, there is 9.4 kg of oxygen, then what is the percentage of carbon in it?

 

(a)

12%

(b)

13%

(c)

14%

(d)

15%



Question ID - 56870 | SaraNextGen Top Answer

In limestone, 40% is calcium and the rest is carbon and oxygen. If in 20 kg of limestone, there is 9.4 kg of oxygen, then what is the percentage of carbon in it?

 

(a)

12%

(b)

13%

(c)

14%

(d)

15%

1 Answer
127 votes
Answer Key / Explanation : (b) -

Percentage of oxygen = 47%.

 Percentage of carbon = % = 13%.

127 votes


127