What is the reason oil and water do not mix?
Water Chemistry

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Science
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Oil is nonpolar and water is polar.
2.
FLASHCARD QUESTION
Front
Why are red animals difficult to see in the midnight zone?
Back
Red light does not reach the midnight zone, so the animals appear colorless.
3.
FLASHCARD QUESTION
Front
Which wavelength of light travels furthest through water?
Back
Blue.
4.
FLASHCARD QUESTION
Front
What is happening to the ocean's pH as it decreases?
Back
The ocean is becoming more acidic.
5.
FLASHCARD QUESTION
Front
Why does ice float on water?
Back
Solid water is less dense than liquid water.
6.
FLASHCARD QUESTION
Front
Define polarity in chemistry.
Back
Polarity refers to the distribution of electrical charge over the atoms joined by the bond.
7.
FLASHCARD QUESTION
Front
What is the pH scale?
Back
The pH scale measures how acidic or basic a solution is, ranging from 0 (acidic) to 14 (basic).
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