Which of the following is not a physical change?
dissolving salt in water
baking a cake...
Chemistry, 23.09.2019 18:30 timothytomas2046
Which of the following is not a physical change?
dissolving salt in water
baking a cake
melting wax
freezing water
Answers: 2
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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