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kotykmax [81]
2 years ago
7

1. What is the best means to separate ammonium chloride, sand, and zinc chloride? And a

Chemistry
1 answer:
ozzi2 years ago
7 0

1. A mixture of ammonium chloride, sand, and zinc chloride should be separated by sublimation.

2. A mixture of zinc chloride and silver chloride should be separated through crystallization.

<h3>What is a separation technique?</h3>

A separation technique can be defined as a technique that is typically used to separate or convert two (2) or more mixture and solution of chemical substances into distinct product such as chemical compounds or elements.

<h3>The types of separation technique.</h3>

In Chemistry, there are various types of separation technique used for the separation of mixtures or solutions and these include:

  • Crystallization
  • Fractional distillation
  • Filtration
  • Evaporation
  • Sublimation
  • Decantation
  • Simple distillation
  • Chromatography

In this scenario, the most effective and efficient means to separate a mixture of ammonium chloride, sand, and zinc chloride is by sublimation from solid to gas state.

On the other hand, the best means to separate a mixture of zinc chloride and silver chloride is through crystallization.

Read more on crystallization here: brainly.com/question/4980962

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2 years ago
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Annette [7]

Answer:

B. and A.

Explanation:

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3 years ago
In an experiment magnesium ribbon was heated in air. The product was found to be heavier than the original ribbon. Potassium man
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Burning a magnesium ribbon in the air is an addition reaction while heating potassium manganate 7 is a decomposition reaction.

<h3>Addition and decomposition reactions</h3>

Magnesium burns in air to produce magnesium oxide as follows:

2Mg + O_2 --- > 2MgO

Potassium manganate 7 burns to produce multiple products as follows:

2 KMnO_4 --- > K_2MnO_4 + MnO_2(s) + O_2

Thus, the MgO will be heavier than Mg. On the other hand, MnO_2 will be less heavy than KMnO_4.

More on reactions can be found here: brainly.com/question/17434463

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7 0
1 year ago
To evaluate R. the volume of a gas measured in the temperature of the gas is measured in<br> while
Lilit [14]

Answer:It is necessary to use Kelvin for the temperature and it is conventional to use the SI unit of liters for the volume.

Explanation:

However, pressure is commonly measured in one of three units: kPa, atm, or mmHg. Therefore, can have three different values.

6 0
3 years ago
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A steel cylinder has a pressure of 550 torr at 177 degrees Celsius. What will be the pressure if the temperature is decreased by
storchak [24]

Answer:

270.34

Explanation:

pressure, 550                pressure, 270.34

______________   =   ___________

177 degree celsius.        87 degree celsius.

550 x 87 / 177 = 270.34

8 0
2 years ago
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