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Air contain 20 % oxygen by volume. Calculate the theoretical volume of air. Which will be required for buring `100 cm^(3)` of propane completely. All volume are measured under same conditions of temperature and pressure.A. `500 m^(3)`B. `2500 m^(3)`C. `100 m^(3)`D. `5000 m^(3)` |
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Answer» Correct Answer - B `C_(3)H_(8) + 5O_(2) rarr 3 CO_(2) + 4 H_(2)O` `100 m^(3)` `O_(2)` required for complete cumbustion of propane `= 500 m^(3)` Amount of air `rArr x m^(3)` `(20.)/(100) xx x = 500` `x = 2500 m^(3)` air |
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