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What happens when you iodine to starch?
The starch turns indigo.
What chemical elements are combined to make molecules of starch and cellulose?
Starch is made up primarily of glucose. These glucose units are joined by glycosidic bonds. The two primary molecules are amylose and amylopectin. Its chemical formula is C12H22O11.
The number of different kinds of atoms of starch is?
(C6H10O5)n 3: carbon, hydrogen, oxygen
Ratio of hydrogen to oxygen atoms in starch?
Starch has a chemical formula C6H10O5. Therefore, the ration of Hydrogen to Oxygen is 10:5, or 2:1.
What happens when iodine meets starch?
turns purple
What happens when a glucose and oxygen molecules meet?
they react
What happens when atom of oxygen and hydrogen meet?
The product of the reaction is water.
Is oxygen used in starch?
Starch contains oxygen, usually as hydroxy (alcohol) groups. http://en.wikipedia.org/wiki/Starch
What is starch composed of?
Starch is composed of sugar and oxygen
2 chemicals in starch?
Starch consists of carbon, hydrogen, and oxygen.
What happens when you iodine to starch?
The starch turns indigo.
What happens when glucose and starch react together?
They are the same: starch is the form in which glucose is stored. So nothing happens.
What raw materials for phtotsynthesis?
starch and oxygen
Does plants produce starch and oxygen?
yes
What happens to respiratory rate and tidal volume at the start of exercise and why?
They increase to meet the higher need of oxygen in the body
The food manufactured by the process of photosynthesis is stored by the plant as?
Plants store excess food in the form of starch.
Is carbon and oxygen found in starch?
Yes, because starch is a polysaccharide with the formula (C6H10O3)n.
