The mass of CaO that shall be obtained by heating 20 kg of 90% pure lime stone `(CaCO_(3))` is
The mass of CaO that shall be obtained by heating 20 kg of 90% pure lime stone `(CaCO_(3))` is
A. `11*2 kg`
B. `8*4 kg`
C. `10*08 kg`
D. `16*8 kg`
5 views
1 Answers
Correct Answer - C
`CaCO_(3)toCaO+CO_(2)`
Pure lime in 20 kg `= (20xx90)/(100) = 18 kg`
CaO produced `= (56xx18)/(100) = 10*08` kg
5 views
Answered