Which of the following is not a potential sign of chemical change? a. release of gas c. change of color b. evaporation of water d. production of gas

Answer : The incorrect option is, (b) evaporation of water

Explanation :

There are some potential sign of chemical change.

(1) A change in the color

(2) The formation of the gas

(3) The formation of the bubbles

(4) The formation of the precipitate

(5) A change in the odor

(6) The change in the temperature

From the given options, options (a), (c) and (d) are potential sign of chemical change while the option (b) in not a potential sign of chemical change because evaporation is a physical change not a chemical change.

Evaporation is a process in which phase changes from liquid state to gaseous state.

Hence, the incorrect option is, (b) evaporation of water