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baherus [9]
2 years ago
11

Differentiate between elements and mixtures

Chemistry
2 answers:
viktelen [127]2 years ago
4 0

Answer:

Explanation:

<h2>Mixtures:</h2>

1- are made up of two or more kinds of Compounds .

2-Mixtures has no definite properties

3-The various constituents are seperated by simple physical means.

4-Examples: Sand, oil and water  mixture of iron fillings and sulfur

<h2>ELEMENTS;</h2>

1-Elements are made up of one kind of atoms.  (It is the basic unit of matter, which cannot be broken down into substances by any way but can be combined to form new substances. )                      

2-Elements have their own set of properties.

3-Elements cannot be broken down into simpler substances by any physical or chemical method.

4-Examples: Hydrogen, Oxygen

<h2> </h2><h2> </h2><h2 />
Ksenya-84 [330]2 years ago
3 0

Answer:

ELEMENTS MIXTURE

Elements are made up of one kind of atoms. Mixtures are made up of two or more kinds of Compounds .

Elements cannot be broken down into simpler substances by any physical or chemical method. The various constituents are seperated by simple physical means

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I'm assuming A, but it says modern, so..
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You need 65.0 g of aluminum for an experiment. How many atoms of aluminum is that?
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Answer:

Explanation:

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show transcribed data consider two organic molecules, ethanol and benzene. one dissolves in water and the other does not. why? t
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Benzene lacks a polar O-H bond, but ethanol does. Benzene C6H6 with ethanol C2H6O.

Benzene fails the iodoform test, whereas ethanol does.

While ethanol burns with a non-luminous flame, benzene produces a sooty flame.

Iodoform testing shows that ethanol passes whereas benzene does not.

In contrast to benzene, which generates a sooty flame, ethanol burns with a non-luminous flame.

Water does not mix with benzene, but organic solvents do.

It is a colorless liquid with a pleasant scent.

Benzene has a high melting point and a moderate boiling point.

It burns with a sooty flame and is quite flammable.

A clear, colorless liquid, ethanol has a distinct flavor of burning with a nice aroma. It has high flammability. Ethanol combines easily with water and a variety of organic liquids and is used to dissolve other chemical compounds.

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1 year ago
Fossil fuels are an important natural resource used by society. which of the following best describes fossil fuels? a. they are
ZanzabumX [31]

Fossil fuels are an important natural resource used by society and they are organic fuels derived from ancient plants and animals.

<h3>What are fossil fuels?</h3>

Fossil fuels are the natural resources means they are derived from the ancient resdue of plants and animale due to theor decomposition under high temperature and pressure.

  • Fossil fuel may be present in solid, liquid as well as in gaseous form so the given option (a) is incorrect.
  • This is the wrong assumption that in the fossil fuel we get the fossils of dinosaur, so option (c) is incorrect.
  • They are not inorganic fuels infact they are organic fuels.

So, fossil fuels are organic fuels derived from ancient plants and animals.

3 0
2 years ago
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The melting of ice cubes is an exothermic reaction.<br>true or false​
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Answer:

false

Explanation:

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