0
What else can I help you with?
What is the difference between chemical change and a physical change?
a physical change is reversible like freezing or melting but a chemical change is irreversible like baking a cake, once it's been cooked, you can't get your cake mix bake
What does physical and chemical mean in science?
Chemical change: the composition of the initial reactants is changed. Ex.: thermal decomposition of calcium carbonate. Physical change: the composition is not changed during this transformation. Ex.: boiling of water.
Why is a nail rusting a chemical change?
Yes, because the chemical reaction of rust is next to impossible to get the iron, water and oxygen back from the iron oxide it creates by rusting, and its like baking a cake is a chemical reaction, once the cake is a cake you can't get the eggs or sugar back. The rust also makes the nails weak and flimsy, this is why we shouldn't use nails if they are rusted, especially large structures. A way you can tell its a chemical reaction is that the color changes and the appearance changes.
Is a bicycle changes color as it rusts a chemical or a physical change?
It is a chemical change. Here oxidation of Iron occurs and being oxidation reaction, it is 'exothermic' reaction.Through it takes prolonged period and it is difficult to observe it, you can deduct it. As 'all' oxidation reactions are 'exothermic'.
Is popcorn popping physical or chemical?
Chemical - a physical change can be reversed , e.g Freezing water, melting chocolate. But something like popping corn is ireversible like baking a cake or boiling a egg. Hope this helps.
What is the difference between chemical change and a physical change?
a physical change is reversible like freezing or melting but a chemical change is irreversible like baking a cake, once it's been cooked, you can't get your cake mix bake
Is baking a cake batter a chemical or physical change?
Baking a cake is a chemical property because it is going from dough to cake or batter to cake.
Would a cake in an oven represent a chemical reaction?
Yes, because the simplified definition of a 'chemical change or reaction' is "a change or reaction (usually dealing with extreme heat or cold) that CAN NOT be undone. Thus, a cooked cake can not be changed back to its originall state of batter.Hope I helped :)
Is heating a cake a chemical change?
It depends on how the cake was before it was heated. If the cake was raw to begin with and the cake is baked, then yes, it is a chemical change because yeast is making the cake rise. If it was an already baked cake and you are just heating it, then I am not so sure. I don't think it changes at all. Then again, if you are burning the cake, I guess it is a chemical change because fire is making it burn.
Is cake bakes a physical or chemical?
Chemical change.
Baking a cake is physical change or chemical change?
Baking a cake is a chemical change because the ingredients undergo a chemical reaction when exposed to heat, resulting in a transformation of their molecular structure to form the cake. This is different from a physical change, which does not alter the composition of the ingredients.
Why is chemical change important to people who bake?
Baking is all about Chemical Changes. The reason cake batter turns into a cake is because of chemical reactions.
How can you tell at baking a cake produces a physical change?
Baking is a chemical change because involve chemical reactions.
Is baking a cake a chemical change?
Yes. This is because when the cake is baked, chemicals help it rise, making this a chemical change. Making the icing is a different story. It is a physical change.
Why is baking a cake a chemical?
Because when you bake a cake, you cant take the ingredients back. And when you bake it, the chemicals rise, making it a Chemical Change.
Is frying an egg a physical change?
no. frying an egg is not physical, because once you turn the egg into a solid, you cant change it back to a liquidish substance. Heating is a chemical change, so there for, frying an egg is a chemical change. Same with baking a cake. Once you add heat to a substance, like cakebatter, you cant change it back into cake batter there for making it a chemical change.
Is Rolling a ball of dough to make roti is reversible or irreversible change?
no it is not, it is a chemical and irreversible change,
