A student did two experiments. experiment 1: The student heated a limestone sample very strongly. A white powder was formed. experiment 2: The white powder from experiment 1 was allowed to cool. The student then added a little cold water to the powder. Large amounts of steam were given off. Which statement is incorrect?
- AAn endothermic reaction occurred in experiment 1.
- BAn exothermic reaction occurred in experiment 2.
- CThermal decomposition occurred in experiment 1.
- DThermal decomposition occurred in experiment 2.