Staing that an observation of a chemical reaction is the substance has changed one or more of its properties (e.g. a new substance is produced) is not an observation of a chemical reaction. It is not an observation. Observations are statements from your five senses. So, what are the four observations of a chemical reaction. |
Stating that an observation of a chemical reaction is the substance has changed one or more of its properties (e.g. a new substance is produced) is not an observation of a chemical reaction. It is not an observation. Observations are statements from your five senses. So, what are the four observations of a chemical reaction. |