Answered

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What occurs as potassium nitrate is dissolved in a beaker of water, indicating that the process is endothermic?

(1) The temperature of the solution
decreases because heat was
released.

(2) The temperature of the solution increases because heat was absorbed.

(3) The solution changes color.

(4) The solution gives off a gas.

Sagot :

(1) The temperature of the solution decreases because heat was released.
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