MCQOPTIONS
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| 1. |
Pick out the endothermic reaction out of the following ? |
| A. | C+ ½O2 = CO |
| B. | CO + 3H2 = CH4 + H2O |
| C. | CaCO3 = CaO + CO2 |
| D. | CO + ½O2 = CO2 |
| Answer» D. CO + ½O2 = CO2 | |