Chemistry, 27.07.2019 23:20 tymiahill7244
As part of a science experiment, jose did a test for starch on a slice of apple and a slice of potato. the yellow-orange iodine solution stayed the same color when it was put on the apple, but it became black on the potato. why did the iodine solution change color on the potato? a. the iodine evaporated into a gas. b. the iodine mixed with the colors of the potato so it looked black. c. the iodine burned the potato and turned it to ash. d. the iodine reacted with the potato to form a new substance.
Answers: 1
Chemistry, 22.06.2019 08:30, Apple557
The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
Chemistry, 22.06.2019 18:00, jalenclarke25
What volume would 2.25 moles of ne has occupy at stp?
Answers: 1
Chemistry, 23.06.2019 00:00, ahmedeldyame
#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond
Answers: 1
Chemistry, 23.06.2019 01:00, tjeffers90028
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
As part of a science experiment, jose did a test for starch on a slice of apple and a slice of potat...
Social Studies, 03.02.2020 10:01
Biology, 03.02.2020 10:01
Mathematics, 03.02.2020 10:01
Health, 03.02.2020 10:01