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crimeas [40]
3 years ago
9

What mixture can be separated by using a filter?

Chemistry
1 answer:
nexus9112 [7]3 years ago
4 0
<h2>Answer: </h2>

Option 2nd - a mixture of solid particles in a liquid.

<h2>Explanation: </h2>
  • For a Mixture of two immiscible liquids (for example water and oil) it is not possible to filter them with a filter as both of the liquid will pass through it.
  • For a mixture of a solid and a liquid (for example sand and water) it can be easily separated through a filter as on filtration solid will be left on the filter and the liquid will pass through it.
  • For a mixture of two miscible liquids (for example milk and water) both of them will form a single identity, and on filtration both of them will pass through the filter.  Hence it is not possible to separate them through filter.
  • For a mixture of liquid and gas (for example drinking soda or Pepsi) filter is not needed for their separation as it will be separated when exposed in air.

Result: Option 2 is the correct answer.

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3 years ago
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2.
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Answer:

A. 6atm

Explanation:

Using pressure law equation:

P1/T1 = P2/T2

Where;

P1 = initial pressure (atm)

T1 = initial temperature (K)

P2 = final pressure (atm)

T2 = final temperature (K)

According to this question;

P1 = 3 atm

P2 = ?

T1 = 120K

T2 = 240K

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3/120 = P2/240

Cross multiply

240 × 3 = P2 × 120

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P2 = 720/120

P2 = 6atm

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I think B a chemical change

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6 0
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Since the ionic bonds are more difficult to break than the covalent bonds, ionic compounds have a higher melting point than covalent compounds.

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