Chemistry, 18.08.2019 21:30 trietvo112200
During an experiment, iron powder and sulfur powder were heated together to form a black mass. it was observed that a magnet, when brought near the black mass, did not attract the black mass. which of the following correctly justifies the observation?
b. the black mass is a mixture and retains the properties of iron.
c. the black mass is a pure substance and no longer retains the properties of iron.
d. the black mass is a pure substance and retains the properties of iron.
Answers: 3
Chemistry, 21.06.2019 23:00
Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.
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Chemistry, 22.06.2019 07:20
Why does his teacher ask him to balance the equation by including the correct coefficient
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Chemistry, 22.06.2019 15:20
Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2
Answers: 2
During an experiment, iron powder and sulfur powder were heated together to form a black mass. it wa...
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