Chemistry, 23.07.2019 10:00 slonekaitlyn01
32) home and garden ph indicators beets very basic solution changes from red to purple. blueberries blue ph 2.8-3.2. turn red as solution becomes more acidic. cherries red in acidic solution; turns blue/purple in basic solution. curry powder curry's pigment curcumin changes from yellow at ph 7.4 to red at ph 8.6. beet juice is added to a unknown solution and changes color from red to purple. curry powder, added to the same solution, turns a deep red color. what can you tell about the hydrogen/hydroxide ion concentration of the unknown liquid?
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Chemistry, 22.06.2019 10:30
Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand
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Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
32) home and garden ph indicators beets very basic solution changes from red to purple. blueberries...
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