A teacher does a demonstration for her science class. She has two beakers that are each filled with 100 mL of colorless liquid. She also has two identical pieces of magnesium metal. She drops one piece of magnesium into beaker 1 and the other piece into beaker 2. Which of the following observations would provide evidence that the beakers contain different substances? A.
Bubbling occurs around the magnesium in beaker 1, but there is no visible change in beaker 2.
B.
Bubbling occurs around the magnesium in both beakers.
C.
The magnesium sinks to the bottom of both beakers, but the pieces land in different positions.
D.
There is no visible change in either beaker.
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 00:30
Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
Answers: 3
Chemistry, 22.06.2019 03:00
How does a hydroelectric power plant converts energy into energy.
Answers: 1
Chemistry, 22.06.2019 06:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 3
Chemistry, 22.06.2019 12:00
There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out
Answers: 1
You know the right answer?
A teacher does a demonstration for her science class. She has two beakers that are each filled with...
Questions
Biology, 16.04.2021 23:40
Mathematics, 16.04.2021 23:40
History, 16.04.2021 23:40
Mathematics, 16.04.2021 23:40
Mathematics, 16.04.2021 23:40
Health, 16.04.2021 23:40
History, 16.04.2021 23:50
Mathematics, 16.04.2021 23:50
