Chemistry, 03.08.2019 05:20 hebagaroudi54111
You have read a new brand of hair tonic is supposed to contain lead (an ingredient in grecian formula). devise a simple test to confirm the presence or absence of lead in that hair tonic. use your observation from the experiments you have performed.
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Chemistry, 22.06.2019 00:30
This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
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Chemistry, 22.06.2019 02:30
Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick
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Chemistry, 22.06.2019 21:00
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Chemistry, 22.06.2019 22:30
Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation
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