Is it solution or mechanical mixture?write for each one of them!
1.limestone
2.orange ju...
Is it solution or mechanical mixture?write for each one of them!
1.limestone
2.orange juice
3.pacific ocean
4.helium inside a balloon
5.aluminum
6.magnesium
7.acetylene
8.tap water in a glass
9.soil
10.pure water(
11.chromium
12.chex mix
13.salt+pure water
14.benzene
15.muddy water
16.brass
17.baking soda
Answers: 1
Chemistry, 21.06.2019 16:30, itsyaboiamo
Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.
Answers: 1
Chemistry, 22.06.2019 00:00, lilyclairehutson
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
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