Give an example of experimental bias

Temperature and pressure

You know how the first one if filled up like the objects do the same but with the other categories

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Use a magnet to separate iron, evaporate water, i'm not sure how to separate the other two i'm sorry but good luck