When anhydrous copper(II) sulfate is added to water a solution is formed and heat is given out.
Which row correctly shows the temperature change and the type of reaction taking place?
1 )
temperature change: decreases / type of reaction: endothermic
2 )
temperature change: decreases / type of reaction: exothermic
3 )
temperature change: increases / type of reaction: endothermic
temperature change: increases / type of reaction: exothermic
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