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Svetlanka [38]
2 years ago
14

What is the pH of pure water? 2.0 5.0 7.0 12.0

Chemistry
1 answer:
stealth61 [152]2 years ago
7 0
7.0 this is the correct answer
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1. In the investigation of an unknown alcohol, there was a positive Jones test and a negative Lucas test. What deductions may be
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1. When observing a positive test for the jones reagent and negative for the Lucas test, it indicates that it is in the presence of a primary alcohol.

Jones reagent behaves like a strong oxidant, where it transforms the primary alcohols into carboxylic acids and the secondary alcohols into ketones. Tertiary alcohols do not react.

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2 years ago
why do we heat the test tube in a glass beaker during a chemistry experiment and not directly over a flame?
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