Final answer:
A clear, colorless liquid blended with a clear, blue liquid creating a suspended white powder signifies a chemical reaction, as a new substance in the form of a precipitate has formed.
Step-by-step explanation:
When a clear, colorless liquid is mixed with a clear, blue liquid and the result is a white powder suspended in a clear, colorless liquid, it is indicative of a chemical reaction. The emergence of a white powder, which is a precipitate, suggests that a new substance has been formed due to the interaction of chemicals. This aligns with one of the signs that a chemical reaction has taken place, namely the production of a precipitate. Other signs of a chemical reaction include a change in color, production of a gas, and/or a transfer of energy. Since the original state of the liquids has been altered to form a new substance, we can confidently affirm that a chemical reaction has occurred.