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Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?
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Chemistry, 22.06.2019 10:40
If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !
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What is the percentage composition of ca in ca(po4)2...
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