Biology

Biology, 01.07.2019 18:00, jordan2875

The opened end of a test tube should always be pointed towards where

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Biology, 30.06.2019 07:30, inucornspineapple

Which of the test tubes shown below were most likely produced by a sprig of elodea and a snail in the dark after 24 hours of incubation? a. test tube 1 b. test tube 2 c. test tube 3 d. test tube 4

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Chemistry, 26.08.2019 23:30, axleon11

Your chemistry experiment requires you to mix two chemicals in a test tube. to safely observe the chemical reaction you should: a- peer into the test tube from a safe distance b- keep your hand between eyes and the opening of the test tube c- keep the end of the test tube pointed away from you d- put your safety glasses on while peering into the test tube

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Biology, 29.08.2019 19:30, eranique1145

You're heating a chemical in a test tube over a bunsen burner. which of the following actions should you take to be safe? check all of the boxes that apply. point the test tube away from you. touch the test tube to see if it's hot enough. lean over the test tube to see if it's boiling. keep the sleeves of your lab coat away from the flame.

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Chemistry, 11.11.2019 09:31, moon3194

You are asked to heat a chemical solution in an open test tube. you should make sure that the test tube is pointed a. away from nearby people. b. towards a sink or a bucket. c. so you can see the bubbles. d. at a 180° angle from the flame.

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