You are testing for the presence of starch: Iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color. This reaction is the result of the formation of polyiodide chains from the reaction of starch and iodine.
When air is inhaled, oxygen diffuses from the alveoli into the blood to be used for respiration by the body’s cells. Carbon dioxide is a waste product made by the body’s cells during respiration.
Answer:
D-Vacuole
Explanation:
The vacuole performs many functions such as storing water, nutrients,and wastes and it also plays a major role in the structure of the plant
1.Flammability
2.Solid
3.All of the above are evidence of a chemical reaction.
4.False
5.Aluminium
6.Potassium Iodide
7.False
8.Single Replacement
9.Adding more powdered drink mix
10.0.77g/cm³
