WebExplain your answer. This is a chemical change because new substances are formed with different properties and identities. Stirring dry yeast into a bowl of hydrogen peroxide causes bubbles to form. Blowing air into a glass of milk with a straw also causes bubbles to form. One of these is a physical change, and the other is a chemical change. WebSep 2, 2024 · An oxidizing bleach works by breaking the chemical bonds of a chromophore (part of a molecule that has color). This changes the molecule so that it either has no …

Examples of Physical Changes and Chemical …

WebPhysical change (a) Drying of wet clothes - It does not cause any change in chemical composition and no new product is formed hence it is a physical change. (b) … WebMar 8, 2024 · Bleach contains hydrogen peroxide, which is a chemical substance that reacts with oxygen. During oxidation, a chemical reaction occurs between the bleach … marion saathoff

Stained Laundry Science and Bleach Science Buddies Blog

WebJan 30, 2024 · Chemical Change vs. Physical Change. The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a … WebIn each case, decide whether the change is a chemical or physical change. (a) A cup of household bleach changes the color of your favorite T-shirt from purple to pink. (b) … WebTranscribed Image Text: In each case, describe the change as a chemical or physical change. Give a reason for a) A cup of household bleach changes the color of your favorite T-shirt from purple to pink. b) The fuels in the space shuttle (hydrogen and oxygen) combine to givelwater and provide the energy to lift the shuttle into space. your choice. nat walker architect