Chemistry, 29.09.2021 01:30 JuanTorres7
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Can a mixture of iron filings, water, and sand be separated and if so, from the choices, which is the best method?
1. Yes, a person can separate this mixture best using a small screen or strainer and magnet.
2. No, they form a solution and are unable to be separated.
3. No, it is impossible to separate any type of mixture that has a liquid in it.
4. Yes, a person can separate this mixture best by freezing it and letting the dense objects sink.
Answers: 3
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The number at the end of an isotope’s name is the number.
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?
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Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.
Answers: 1
ANSWE PLEAS
Can a mixture of iron filings, water, and sand be separated and if so, from the choice...
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