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Iodine. For example, when stores want to check if a US $20 bill is real, they mark it with an iodine pen to test for the presence of starch.
Paper is made using starch as a filler, which would make the pen mark turn black. Authentic US money is made of a blend of fabric fibers (cotton, linen) and therefore the pen mark would remain yellow, indicating no starch present.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoThe iodine test - a blue color with starch.
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What is iodine used to see when using a microscope?
Iodine can be used to identify starch.
What substance is made in the leaves and used as food for the plant?
Starch or glucose
What substance does Iodine test for?
carbohydrates, for one
Why do scientist measure mass and volume?
So they can determine the density of a substance. Density = mass/volume. Density can be used to identify a substance.
What is the substance that identifies a substance as an enzyme?
The substance that is used to identify enzymes is hydrogen peroxide. Enzymes will catalyze the decomposition reaction of hydrogen peroxide and oxygen gas will form.
What is iodine used as an indicator for?
Iodine is used as an indicator for starch. When a substance has iodine added to it, then it will turn into a dark blue color. This is a sign that the substance indeed has starch in it.
What can be used to identify a substance or to predict how will behave?
Physical and chemical properties can be used to identify a substance or predict how it will behave.
What is iodine used to see when using a microscope?
Iodine can be used to identify starch.
What substance does iodine solution test for?
it is used to find starch
What chemical substance you is used to detect the presences of starch?
An iodine solution is used.
What substance is made in the leaves and used as food for the plant?
Starch or glucose
A food substance such as sugar or starch used to make food?
yes it is a food substance that provide energy
What substance is produced from the starch and what it and used for?
Glucose is produced from the starch and it is used as energy for our bodies to use. it is also used to help ameoba which traps a chlamydomonas and digests it.
What unit is used to identify concentration of a substance?
Molarity
What is used to identify an acid or a base?
the pH of the substance
What substance does Iodine test for?
carbohydrates, for one
What property is used to identify a pure substance?
melting point
