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When glass turns black from fire is it a physical or chemical change?
chemical
Is frying an egg chemical or physical?
Frying an egg involves both chemical and physical changes. The heat from the pan causes the proteins in the egg white and yolk to denature and coagulate, which is a chemical change. The browning of the egg due to the Maillard reaction is also a chemical change, while the change in state of the egg from liquid to solid is a physical change.
When whine turns to vinegar is it a chemical or physical change'?
its a chemical change
If grass turns brown as it dries is it a physical or chemical change?
it is a chemical change
Is leaving a potato slice and turns brown is a chemical or physical change?
It is a chemical change - oxidisation.
What type of change occurs when a compostt pit turns to mulch a chemical or physical?
Chemical Change
Is it a chemical reaction if you but copper in a fire and it turns black?
yes it is a chemical reaction because the change involved heat and all chemical reactions involve heat and a difference in the appearence of the substance which has recieved heat is noticed
Frying an egg physical or chemical change?
There are both physical and chemical changes happening in both frying eggs or baking a cake. These are not simple reactions, many complex events happen inside these foods during cooking.A few examples:polymerizations and crosslinkings are happening in the eggs - chemical changeproteins and sugars combine causing browning of the cake - chemical changebaking soda or baking powder in the cake gives off carbon dioxide - chemical changecarbon dioxide forms bubbles causing the cake to rise - physical changewater is evaporating from both the eggs and the cake - physical changeetc.
Is milk that turns sour a chemical change?
Yes.
When a chicken bone turns rubber like and flexible is it a chemical change or physical change?
I'm not sure. I think it is a chemical change.
When table sugar is heated to its melting point it bubbles and turns black When it cools it remains a black solid Describe the change as chemical or physical?
The change is chemical because the sugar undergoes a chemical reaction called caramelization when heated, resulting in the formation of new compounds that give it a black color and distinct flavor. This is a permanent change that cannot be reversed by simply cooling the sugar back to its original state.
What are the sing of chemical change?
Signs of chemical change are when a substance changes into a new substance. Like Paper being burned turns into gray powder. That is a chemical change.
