True or False? If a substance is mixed with another substance and then the result is a new odor, then is reaction is a physical reaction.

Drive down any three characteristic of modern periodic table

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.