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 08:40
Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
Answers: 1
Chemistry, 22.06.2019 10:00
Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
Answers: 3
Chemistry, 22.06.2019 12:30
Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
Answers: 3
Chemistry, 22.06.2019 23:00
What is the measured amount of a product obtained from a chemical reaction?
Answers: 1
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