Chemistry, 10.01.2020 21:31 sanaiajohnson56
Which of the following tools would not be used to examine an object's physical properties?
a measuring spoon, like those used in baking
a microscope to closely look at the object
a ph test strip kit
a scratching tool to establish hardness
Answers: 1
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Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base
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What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
Which of the following tools would not be used to examine an object's physical properties?
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