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Is changing thesize and shape of pieces of wood a chemical change true or false?
Wiki User
∙ 11y ago
false
Wiki User
∙ 11y ago
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Is your teeth grinding food a mechanical or chemical change?
The teeth grinding is a mechanical change. The saliva mixing in with the food and starting the digestive process would be a chemical change.
Is welding pieces of metal is chemical change?
Welding pieces of metal is a physical change because the process does not alter the chemical composition of the metal. It involves melting and fusing the metal pieces together without changing their fundamental structure.
Chopping of wood is what kind of change?
Chopping wood is a physical change because the wood is being physically broken down into smaller pieces without changing its chemical composition.
Is rock broken into small pieces a chemical change?
No, breaking rock into small pieces is a physical change because the chemical composition of the rock remains the same. It is merely a change in the physical appearance of the rock.
What is a sign that a chemical change has occurred smoke broken pieces change in shape or change in state?
The production of smoke from something burning would be a sign of a chemical change. Broken pieces, change in shape, or change in state are all physical changes.
Is changing the size and shape of pieces of wood a chemical change true or false?
False. Changing the size and shape of pieces of wood is a physical change, not a chemical change. A chemical change involves the alteration of the chemical composition of a substance, while a physical change only affects the physical properties of a substance.
Is eating a cheeseburger a physical change?
Yes, because you are changing the size of the cheeseburger by tearing it down into smaller pieces. Also, it would not be a chemical change because you are not changing the arrangement of atoms or creating anything new. - - - - - Digesting the cheeseburger is a chemical change.
Is cutting paper into tiny pieces a chemical or physical?
Cutting paper into tiny pieces is a psychical change. This is because the chemical properties of paper are left unchanged and the paper is only reduced to a fraction of its original size, which only affects its physical properties.
Why is breaking chalk a physical change?
Besides for rearranging the glass pieces, one is not actually changing the chemical formula of the glass. Much like grinding NaCl, the crystals get smaller but the chemical remains the same.
Is mixing of glass pieces and sand a chemical change or physical change?
it is a chemical change.
Is your teeth grinding food a mechanical or chemical change?
The teeth grinding is a mechanical change. The saliva mixing in with the food and starting the digestive process would be a chemical change.
Is welding pieces of metal is chemical change?
Welding pieces of metal is a physical change because the process does not alter the chemical composition of the metal. It involves melting and fusing the metal pieces together without changing their fundamental structure.
Chopping of wood is what kind of change?
Chopping wood is a physical change because the wood is being physically broken down into smaller pieces without changing its chemical composition.
Is stone breaking a physical change?
Breaking of stone is a physical or chemical change? Explain.
Is breaking a glass beaker chemical or physical?
Breaking, grinding, cracking are all examples of a physical change. The nature of the substance has not changed, just the size of the pieces has changed.
Is rock broken into small pieces a chemical change?
No, breaking rock into small pieces is a physical change because the chemical composition of the rock remains the same. It is merely a change in the physical appearance of the rock.
Is crushing rocks a physical change?
Yes, crushing rocks is considered a physical change because the rocks are broken down into smaller pieces without changing their chemical composition. This process can be reversed by reassembling the pieces back together.
