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Which one is not an example of a chemical change Leaves on trees changing color A cake baking Food being digested All are examples of chemical changes?
All are examples of chemical changes
An apple turning brown after being cut is an example of what chemisttry change?
The browning of an apple after being cut is an example of a chemical change called oxidation. When the apple's flesh is exposed to air, enzymes in the apple react with oxygen causing a chemical reaction that changes the color of the apple.
Is custard being made a physical or chemical change?
The process of making custard involves both physical and chemical changes. physical changes include mixing ingredients together and heating them, while chemical changes occur when the proteins in the eggs denature and coagulate to form the custard's texture.
Distinguish between physical and chemical change?
A chemical change is a change involving making and breaking chemical bonds to form new chemicals. For example when wood burns the carbon and hydrogen in the cellulose react with the oxygen in the air, forming carbon dioxide and water. A physical change is one that the chemical changes states and no new chemicals are formed, like melting ice or dissolving salt in water.
Is this statement true Ice being broken into small bits is an example of a chemically change?
No it is not, as the ice will still retain its chemical properties. This is an example of a physical change. Remember that the indicators of a chemical change are a change in colour, a change in odour, a change in temperature, the formation of a precipitate, or a gas being given off.
Is ice being carved a chemical change?
No, melting ice is a chemical change where as carving ice is physical.... Another example is chewing food is physical where as enzymes in your saliva breaking down the food is chemical.
Which one is not an example of a chemical change Leaves on trees changing color A cake baking Food being digested All are examples of chemical changes?
All are examples of chemical changes
Is hammering a nail a physical or chemical?
hammering a nail is a physical change, this is because the nail changes shape from being long to being short and in a board for example.
An apple turning brown after being cut is an example of what chemisttry change?
The browning of an apple after being cut is an example of a chemical change called oxidation. When the apple's flesh is exposed to air, enzymes in the apple react with oxygen causing a chemical reaction that changes the color of the apple.
Is custard being made a physical or chemical change?
The process of making custard involves both physical and chemical changes. physical changes include mixing ingredients together and heating them, while chemical changes occur when the proteins in the eggs denature and coagulate to form the custard's texture.
Are exploding fireworks an example of a physical or chemical change?
Exploding fireworks are an example of a chemical change. The chemical compounds within the fireworks undergo a chemical reaction when ignited, resulting in a new substance being formed that releases energy in the form of heat and light.
What chemical changes take place as food is being digested?
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Is carving wax a chemical or physical change?
Carving wax is a physical change because it involves changing the shape or physical appearance of the wax without altering its chemical composition. The wax remains the same substance even after it has been carved.
What shows changes that take place during a chemical reaction?
Evidence of a chemical reaction includes color change, formation of precipitate, evolution of gas, and changes in temperature. These changes can indicate that new substances are being formed through the rearrangement of atoms.
Is Sand being washed out to sea from the beach is a chemical change?
no, its physical change :)
Distinguish between physical and chemical change?
A chemical change is a change involving making and breaking chemical bonds to form new chemicals. For example when wood burns the carbon and hydrogen in the cellulose react with the oxygen in the air, forming carbon dioxide and water. A physical change is one that the chemical changes states and no new chemicals are formed, like melting ice or dissolving salt in water.
Do chemical changes release energy?
Yes.. but it depends on the energy that is changing or being changed
