Answer:
iodine
Explanation:
In the presence of starch, iodine turns a blue/black colour. It is possible to distinguish starch from glucose (and other carbohydrates) using this iodine solution test. For example, if iodine is added to a peeled potato then it will turn black. Benedict's reagent can be used to test for glucose.
The pool being cooler at the deep end. Also the air closer to the roof of a house being cooler.
Two subatomic particles that are located in the nucleus of an atom are Protons and Neutrons.
is 7 cus the valance electron for sodium is Ne 3s1 and for chlorine is Ne 3s13p5