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12 questions from this quiz
Energy is taken in from surroundings
It goes down
Products have more energy
Upward from reactants to products
Thermal decomposition
CaO\text{CaO}CaO and CO2\text{CO}_2CO2
The dissolving absorbs energy from skin
It gets cooler
It decreases
Cold to touch
You need to keep adding heat energy
At a lower energy level
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