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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.
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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 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 rice is consider as a chemical change?
Rice is not a chemical change it is a food plant
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.
Are most chemical changes seen or not seen?
Most chemical changes happen between molecules, so they are unseen.
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.
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.
Does distillation produce a chemical Change or a physical Chang in petroleum?
it is a physical change
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.
When an orange ripens is it consider a chemical change?
Yes, as the orange ripens its properties change chemically making it a different orange then before it ripened.
Is converting iron to a steel alloy a physical change?
It is a physical change as an alloy is a solid solution made from various metals. As you can still separate these different metals after the alloy is made it is a physical change and not a chemical change.
