which of the following signs of a chemical reaction are observed in the reaction of potassium with…
which of the following signs of a chemical reaction are observed in the reaction of potassium with water?\nprecipitate formed\ntemperature change\nsmell produced\ngas produced\ncolor change
Answer
Brief Explanations:
Potassium reacts vigorously with water in an exothermic reaction, producing hydrogen gas. There is no precipitate, smell or color - change in a typical sense. The reaction releases heat (temperature change) and hydrogen gas.
Answer:
temperature change, gas produced