Which of the following will result in a chemical change?
a. evaporating alcohol into vapor
b. drying wood in a shed
c. melting ice to obtain water
d. burning coal in a furnace

Burning coal in a furnace because it's not coal any more. It changes into ash

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.