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Chemistry, 14.07.2020 18:01 mokunola16
During science class, while studying mixtures, you mix together iron filings and sand. Your teacher challenges you to separate the sand from the iron filings. How could you use the physical properties of matter to practically separate the two solids? A) Add water to the mixture and dissolve the sand. B) Pick out one of the two solids by using color to guide you. C) Pour the mixture through a paper filter to separate the two. D) Use a magnet to pull out the iron filings as they are attracted to a magnet. usatesprep question
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Chemistry, 23.06.2019 10:30, cjtambasco
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 3.75 mol fe and 8.70 mol nio(oh) react?
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During science class, while studying mixtures, you mix together iron filings and sand. Your teacher...
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