Question:
Which set of procedures and observations indicates a
Last updated: 8/5/2022
![Which set of procedures and observations indicates a](https://media.kunduz.com/media/sug-question/raw/59149161-1659706209.1159277.jpeg?h=512)
Which set of procedures and observations indicates a chemical change? a. Ethanol is added to an empty beaker and the ethanol eventually evaporates b. A solid is gently heated in a crucible and the solid slowly turns to liquid c. Large crystals are crushed with a mortar and pestle and become powder d. A cool, shiny metal is added to water in a beaker and gas bubbles rapidly appear