Muscle fatigue after intense exercise is a chemical phenomenon caused by the buildup of lactic acid, a byproduct of anaerobic metabolism, leading to chemical changes in muscle cells. The use of insecticides to kill insects is a chemical phenomenon as the chemicals disrupt the nervous systems of insects, affecting their neurotransmitters and leading to their death. Burning a Candleīurning a candle is a chemical phenomenon involving the combustion of wax molecules, which react with oxygen in the air to produce heat, light, water vapor, and carbon dioxide. Using fruit salt for heartburn is a chemical phenomenon as the alkaline compound in fruit salt reacts with stomach acid (a chemical process) to neutralize excess acid and alleviate discomfort. Disinfection with Alcoholĭisinfection with alcohol is a chemical phenomenon where the alcohol disrupts the structure of microorganisms’ cell membranes and proteins through chemical reactions, rendering them inactive. Blood Clottingīlood clotting is a chemical phenomenon where a series of chemical reactions result in the formation of a blood clot, involving the interaction of clotting factors, enzymes, and proteins. The souring of milk is a chemical phenomenon caused by the activity of bacteria that convert lactose into lactic acid, altering the pH and taste of the milk. Antibiotic Resistance of BacteriaĪntibiotic resistance is a chemical phenomenon driven by genetic changes in bacteria that allow them to counteract the effects of antibiotics, which is a result of chemical interactions between antibiotics and bacterial cells. Burning Paperīurning paper is a chemical phenomenon as it involves the combustion of cellulose fibers in paper, combining with oxygen to release heat, light, water vapor, and carbon dioxide. Wood rot is a chemical phenomenon because it involves the breakdown of complex organic molecules in wood through the action of fungi, leading to changes in the wood’s composition and structure over time. Here are few Examples of Chemical Change: 1.
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