Why toasting bread a chemical change

This produces new odour and flavour producing molecules, meaning toast has an entirely different flavour to bread. As Reactions notes, the process works best when food is cooked between C and C, when chemical reactions are faster and the heat evaporates any excess water.

MORE : Throw out your avocados, now sweet potato toast is the breakfast you need to know about. MORE : These artistic loaves will make you fall in love with carbs again. A physical change on the other hand can be reversed in such a way that the original object is created once again. Both physical and chemical changes do not affect the mass of the object in question since the law of conservation states that mass remains the same before and after a physical or chemical change.

Another way to look at chemical change is that the particles that make up an object are broken down into finer particles that form a new object. Once these particles have been broken down, there is no way to join them together once again.

On the other hand, physical change involves rearranging f particles that make up a given object or substance. October 2, August 23, Your email address will not be published. This site uses Akismet to reduce spam.

Learn how your comment data is processed. Pint of Science The Art of Science. Dinner is ready when the smoke alarm goes off What happens though when food is left in the oven for too long, and at too high a temperature? Crispy Chemicals A few of these toxic by-products are highlighted as being of particular concern should we take to eating copious amounts of them. Should we really be worried? Shrimp Fight Club: Wasteful or Lifesaving? Like a God from the Machine August 23, Leave a Reply Cancel reply Your email address will not be published.

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