MCQOPTIONS
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MCQOPTIONS
| 1. |
The reaction that does not define calcinations is |
| A. | \(\text{F}{{\text{e}}_{2}}{{\text{O}}_{3}}.\text{X}{{\text{H}}_{2}}\text{O }\!\!~\!\!\text{ }\overset{\text{ }\!\!\Delta\!\!\text{ }}{\mathop{\to }}\,\text{ }\!\!~\!\!\text{ F}{{\text{e}}_{2}}{{\text{O}}_{3}}+\text{X}{{\text{H}}_{2}}\text{O}\) |
| B. | \(\text{ZnC}{{\text{O}}_{3}}\text{ }\!\!~\!\!\text{ }\overset{\text{ }\!\!\Delta\!\!\text{ }}{\mathop{\to }}\,\text{ }\!\!~\!\!\text{ ZnO}+\text{C}{{\text{O}}_{2}}\) |
| C. | \(\text{CaC}{{\text{O}}_{3}}.\text{MgC}{{\text{O}}_{3}}\text{ }\!\!~\!\!\text{ }\overset{\text{ }\!\!\Delta\!\!\text{ }}{\mathop{\to }}\,\text{ }\!\!~\!\!\text{ CaO}+\text{MgO}+2\text{C}{{\text{O}}_{2}}\) |
| D. | \(2\text{C}{{\text{u}}_{2}}\text{S}+3{{\text{O}}_{2}}\overset{\text{ }\!\!\Delta\!\!\text{ }}{\mathop{\to }}\,\text{ }\!\!~\!\!\text{ }2\text{C}{{\text{u}}_{2}}\text{O}+2\text{S}{{\text{O}}_{2}}\) |
| Answer» E. | |