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Simplify (4x– 4)– 3.
asked
Feb 9, 2017
Mathematics
high-school
2
answers
5
votes
40.4k
views
You can find the pH of a substance by using a. plain paper. b. a thermometer. c. litmus indicator. d. a conductivity tester.
asked
Feb 9, 2016
Chemistry
high-school
2
answers
1
vote
115k
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