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sineoko [7]
3 years ago
6

What ismetal refinning​

Chemistry
1 answer:
nikklg [1K]3 years ago
7 0

Answer:

It is the way of cleaning of impurities present in metals

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What mineral property is illustrated by this photograph?​
lbvjy [14]
<h2>Hardness, lustre, and colour.</h2>

Explanation:

These Rocks shown in photographs are made of different types of minerals which have properties as follows:

●The color of the rock is grey, brown and yellow after it is ground into a powder its color is streak.

● The lustre of the rock tells how shiny the rocks are.

● Other properties include hardness, texture, shape, and size.

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3 years ago
Which of the solutions have greatest osmotic pressure 30% sucrose 60% sucrose or 30% magnesium sulfate?
timofeeve [1]

Answer:Osmotic pressure is the minimum amount of pressure a solution must exert in order to prevent from crossing a barrier by osmosis. Solute molecules have difficulty crossing semipermeable membranes, so the more solutes that are in a solution, the higher the osmotic pressure will be. Between 30% sucrose and 60% sucrose, 60% sucrose will have a greater osmotic pressure than 30% because it has a higher percentage of solutes. However, since sucrose has a higher potential to cross semipermeable membranes and is more absorbable than magnesium sulfate, magnesium sulfate would have a higher osmotic pressure than 60% sucrose even though 60% sucrose has higher molecules.

Explanation:

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3 years ago
Potassium is a metal. Which property would you expect it to have?
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Answer: It’s a bad conductor of electricity

Explanation:

8 0
2 years ago
Using the activity series provided. Which reactants will form products? Na &gt; Mg &gt; Al &gt; Mn &gt; Zn &gt; Cr &gt; Fe &gt;
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Fe + Cu(NO3)2 →

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Large-scale environmental catastrophes _______.
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D. All of the Above

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i just took the test on edgenuity

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