Evidence of chemical reactions include - no light production, color change (new/different), gas production
(bubbles/fizzing - not boiling), precipitate, and temperature stays the same
light production, color change (new/different), gas production (bubbles/fizzing -
not boiling), precipitate, and temperature change
light production, color change (like adding food coloring to water), gas
production (like when a soda is opened), precipitate, and temperature changes
color change (new/different), gas production (like when a soda is opened),
precipitate, and temperature stays the same