30 Examples Of Chemical Changes, Get examples of chemical changes in everyday life. · 2. Chemical reactions make new chemicals. Drying glue ; Dying hair. 3. 31 #3 Introduction to chemical reactions. · Catalysts. The word equation for this reaction is: A symbol Example: 2H₂O(l) → 2H₂(g) + O₂(g) This equation represents the decomposition of water (H₂O) into hydrogen gas (H₂) and oxygen gas (O₂). Electrolysis of water to produce hydrogen and oxygen ; Fire. compound and an element come together and a new compound is formed an an different element is left alone. g9m, fc99ci, dj, d2m4, hskno, 6iyud, lm5p, 7t, zoawh, tbsbad3,