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Aleks04 [339]
3 years ago
7

Mixtures can be separated by physical changes. Please select the best answer from the choices provided T F

Chemistry
1 answer:
AfilCa [17]3 years ago
8 0

Answer: Given statement is true.

Explanation:

When two or more substances mixed together then it results in the formation of mixture.  

For example, a mixture of sand and water.

Mixtures are not chemically combined species because they can be separated by physical methods like filtration, distillation etc.

Hence, we can conclude that the given statement, mixtures can be separated by physical changes is true.

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Disease caused by virus are more dangerous.Why?
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Explanation:

1. Virus's are hard to detect because of their simple construction.

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3. It is hard to isolate the virus and kill it without doing damage to the host.

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3 years ago
What is the significance of cell division?
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The answer is c) to repair and replace other cells.

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3 0
3 years ago
If a scientist creates a new rock-like substance in a laboratory, why wouldn’t this type of material be classified as a true min
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Because it’s not a naturally occurring substance
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A block of material has a volume of 2m^3. It has a mass of 1 ×10^4 kg. Calculate the density of the material sample and express
Ivenika [448]

Answer:

The answer to your question is: density = 5 g/cm³

Explanation:

Data

Volume = v = 2 m³

mass = m = 1 x 10⁴ kg

Density = d = ? g/cm³

Formula

density = mass/volume

Volume

                          1 m³ -------------------  1 000 000 cm³

                          2 m³ ------------------     x

                          x = (2 x 1 000 000) / 1

                         x = 2 000 000 cm³

Mass

                          1 kg ------------------   1000 g

                         1 x 10⁴ kg ------------    x

                         x = (1 x 10⁴ x 1000) / 1

                         x = 10 000 000 g

density = (10 000 000) / 2 000 000

density = 5 g/cm³

5 0
3 years ago
Sentences bilang repeated addition. Isulat ang iyong sagot sa
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Answer:

you really think someone gone take they time and answer all of them question's?

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3 years ago
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