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Which is a primary alcohol?
0 3-pentanol
2-propanol
1-ethanol
4-octanol...
Answers: 2
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Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
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Compare and contrast physical changes with chemical changes.
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Based on its chemical properties, identify the position of each chemical family on the periodic table.
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Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
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