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A test tube is used to test liquid chemicals.
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Take 10 mL of water in 6 test tubes each and add different samples of substances to each test tube as shown in the given figure. Shake the test tubes vigorously for
⚗️50 points for the help. Observe the substances in the test tubes for 15 minutes. In the table, - Brainly.com
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Heating substances in a test tube - YouTube
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How do I determine the substances. Do all elements have to match? | Course Hero