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Stels [109]
3 years ago
12

In an endothermic physical or chemical change,.

Chemistry
1 answer:
Ivan3 years ago
3 0

Answer:

c

Explanation:

If chemical equation neads heat to happen it's caled endothermic

eg. CaCO3 ---> CaO + CO2 (there is supposed to be a little t above the arrow)

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