New Hampshire NH SAS Science Grade 8 Practice Questions - New Hampshire Statewide Assessment System Science - Grade 8 Exam

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Two clear liquids, A and B, are mixed in a beaker. The beaker feels cold to the touch and a white solid forms at the bottom. Which claim is best supported by these observations?

A chemical reaction occurred and released energy into the surroundings. A chemical reaction occurred and absorbed energy from the surroundings. A physical change occurred because no new substance was formed. The temperature drop proves the liquids simply evaporated.

Correct Answer:

A chemical reaction occurred and absorbed energy from the surroundings.

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