The picture shows a statue of Abraham Lincoln
Your friend tells you the statue made of marble. What test could you perform to see if your
friend is correct?
A. Place a drop on water of the statue and see if it evaporates.
B. Rub your hand across the statue and see if it changes colors.
C. Rub water across the surface of the statue and see if it leaves streaks.
D. Place a drop on vinegar of the statue and see if it bubbles.
A mineral break into flat surfaces as shown.
Rocks, Minerals, and Soil
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Answers: 2
Chemistry, 21.06.2019 17:10
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
Answers: 3
Chemistry, 21.06.2019 17:50
An aqueous solution of potassium hydroxide is standardized by titration with a 0.194 m solution of hydrobromic acid. if 25.2 ml of base are required to neutralize 24.2 ml of the acid, what is the molarity of the potassium hydroxide solution? m potassium hydroxide
Answers: 2
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
Answers: 1
The picture shows a statue of Abraham Lincoln
Your friend tells you the statue made of marble. Wha...
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