The evidence that the reaction took place is: a blue precipitate formed from the clear liquids. This indicates that a chemical reaction occurred, resulting in the formation of a solid (precipitate) from the reaction of the two liquids.
Two clear liquids are combined. You observe a cloudy blue solid in the bottom of the test tube. What is
the evidence that the reaction took place. (1 point)
two liquids were combined
a blue precipitate formed from the clear liquids
a gas was produced from the clear liquids
heat evolved when the liquids were combined
1 answer
1 answer