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Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Cali Cruickshank
Arjun Bednar
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Wiki User
∙ 9y agoBecause often chemical changes can not be seen with the naked eye or even using optical instruments.
Wiki User
∙ 9y agoChemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Wiki User
∙ 11y agobecause
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Why are chemical considered unseen?
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Why rice is consider as a chemical change?
Rice is not a chemical change it is a food plant
Why are changes considered unseen?
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Why are chemical changes considered?
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
Is sleeping a chemical or physical change and why?
Sleeping involve some chemical reactions and physical phenomenons but I suppose that it is exaggerate to consider sleep as a chemical/physical change.
When you water and fertilize a lawn and grass grows thicker would you consider that as chemical change?
Chemical changes are certainly part of what is happening.
Can you consider a chemical change dissolving salt in a water?
no because it is reversible. If you dissolve out the water you are left with NaCl. A change that is reversible is a physical change.
Are most chemical changes seen or not seen?
Most chemical changes happen between molecules, so they are unseen.
Does distillation produce a chemical Change or a physical Chang in petroleum?
it is a physical change
Consider the burning of gasoline and the evaporation of gasoline which process represents a chemical change and which represents a physical change?
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas).
Is deliquescence a physical or chemical change?
Difficult to be correct; chemists consider the higroscopy as a chemical phenomenon but I believe that some physicists has another opinoin.
What properties are not as easy to observe?
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing. This is in comparison to a physical change, which is visible.
