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elena55 [62]
3 years ago
12

Iron filings can be separated from a mixture with sulfur by using a magnet.

Chemistry
2 answers:
lbvjy [14]3 years ago
3 0
The answer is A. True
Diano4ka-milaya [45]3 years ago
3 0

Answer:

True

Explanation:

Mixture of sulfur and iron filings can be separated by using magnet.

Magnets attract iron. This is because when iron is exposed to magnet, the electrons of the iron begin to align in the direction of magnetic field which creates attraction between iron and magnet. This phenomenon is called magnetism.

Sulfur does not have this property and hence, do not get attracted towards magnet.

So, if magnet is brought near the mixture of iron and sulfur, the iron will attach with magnet and get separated.

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Before the development of electrophoresis to separate macromolecules, ____________ was used.
max2010maxim [7]

Before the development of electrophoresis to separate macromolecules, high-speed centrifugation was used to isolate DNA.

A laboratory procedure called electrophoresis is used to divide DNA, RNA, or protein molecules according to their size and electrical charge. The molecules are moved by an electric current through a gel or other matrix. The technology of electrophoresis is crucial for the separation and examination of nucleic acids. At the lab bench, cloned DNA fragments are frequently isolated and worked with using nucleic acid electrophoresis.

High-speed centrifugation employs centrifugal force to separate particles with various densities or masses suspended in a liquid. High-speed rotation of the solution inside the tube causes each particle's angular momentum to experience centrifugal forces inversely proportionate to its mass.

To know more about electrophoresis refer to: brainly.com/question/28709201

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4 0
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What are all the possible chemical formulas for-
Sonbull [250]

Answer:

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Explanation:

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4 0
2 years ago
How many atoms are there in:
hoa [83]
B is the right answer "right"
3 0
2 years ago
What is the most soluble salt of the following set? What is the most soluble salt of the following set?
DiKsa [7]

Answer:

(c) AgCN\ (K_{sp} =6.0\times 10^{-17})

Explanation:

The solubility product of a solid is the amount of solid dissociates into its respective ions in the solution. Thus more the value of the Ksp, the more is the salt soluble in the solvent.

So,  Given that:-

Sn(OH)_2\ (K_{sp} =1.6\times 10^{-19})

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AgCN\ (K_{sp} =6.0\times 10^{-17})

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4 0
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lozanna [386]

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A theory has lots of scientific evidence to back it up. We know this to be true based on lots of different diseases and studies of their spread.

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