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What is that piece of paper that you dip in a chemical and it changes colour?
Wiki User
∙ 14y ago
Litmus paper
Wiki User
∙ 14y ago
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What is a piece of paper is set on fire is this chemical or physical change?
A chemical change. Physical changes can be undone. You cannot unburn paper.
What is the difference between phyical and chemical changes?
A physical change only changes the appearance of an object, it's chemical makeup is still the same. Melting ice doesn't change it to a different object, just a different state. Like if you rip a piece of paper, it's still a piece of paper. But a chemical change changes the makeup of the object. Burning is a chemical change. Once it burns it is no longer paper.
Is setting a piece of paper on fire a example of chemical change?
yes because it changes the physical properties of it as a paper by burning
Why is a car rusting a physical change?
no its chemical. physical changes is where the object chemical matter is not altered. ex- cuting a piece of paper is physical because you still have a piece of paper but burning the paper is chemical because a chemical change has taken place.
What is a piece of color paper?
Paper of any colour other then white.
If you crumple a piece of paper into a ball is the change physical or chemical?
it is a physical change
tearing a piece of paper in half physical or chemical change?
Physical change
What are the products of physical change?
The products of a physical change are the same as what you started out with because their have been no changes to its chemical properties. Ex: If you rip a piece of paper, it's still paper.
Is wadding up a piece of paper a chemical or physical change?
Physical- it is still a piece of paper. It can be unwadded. But if you burned it (a chemical change) it is no longer paper, and you cannot unburn something.
Color of pH paper when dipped in carrot juice?
As orange contains acidic substances, a piece of pH paper would indicate a colour which is in the acid range and the strict colour may differ according to the fruit too.
Is folding a piece of paper a chemical change?
no it is not a physical change because folding a piece of paper does not chemicaly change it.
When a piece of paper burns is it a physical or a chemical change?
Burning is a chemical change.
