Which of these is an example of a physical change
baking a cake
toasting bread
gri...
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Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
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Chemistry, 22.06.2019 12:50
The number at the end of an isotope’s name is the number.
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Chemistry, 22.06.2019 17:00
Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
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