Chemistry, 09.06.2021 01:20 BreBreDoeCCx
Combination reactions always:
use only one reactant
require oxygen gas
involve an element and an ionic compound
form only one product
Answers: 2
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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.
Answers: 2
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
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Consider the story you just read. all but one of the choices below indicate that something is living.
Answers: 1
Combination reactions always:
use only one reactant
require oxygen gas
involve an eleme...
require oxygen gas
involve an eleme...
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