1) Tomato a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 2) Lighting a candle a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 3) Rusting iron a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 4) Ripening of banana a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 5) Breaking Egg a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 6) Lemon and baking soda a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 7) Leaves in autumn a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 8) Rotting Fruit a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 9) Vinegar and baking soda a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 10) Hair color a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 11) Using battery a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 12) baked cake a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 13) Avocado a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 14) Rusting Sprinkler a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 15) Blueberry a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 16) Milk and lemon a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 17) Souring milk a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 18) Melted ice cream a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 19) Iron nail and vinegar  a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 20) Metabolism a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 21) Cigarette a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 22) Spoiled Rice a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 23) Fireworks a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 24) Cooked egg a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 25) Burning Wood a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 26) Rusting Horsehoe a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 27) Fermented Vinegar a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 28) Cooked Rice a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 29) Rotten fruit a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 30) Yeast and sugar a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 31) Painting a surface a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 32) Baking a cake  a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 33) Ice melting a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 34) Cane Vinegar a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 35) Onion a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 36) Fish  a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 37) Durian a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 38) Rotten Tomatoes a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 39) Celery a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release 40) Blue Cheese a) Change in Color b) Change in Odor c) Production of Gases or Solid Precipitates d) Lost of its Original Form e) Energy Absorbed and Release

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