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Metal And Non Metal > Extraction Of Metal And Metal > Flashcards

Extraction Of Metal And Metal Flashcards

1
Q

What is the primary method used for the extraction of metals from ores?

A

Metallurgy

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2
Q

True or False: Non-metals can be extracted using the same methods as metals.

A

False

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3
Q

Fill in the blank: The process of removing metal from its ore is called _____.

A

extraction

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4
Q

What is the main purpose of roasting in metal extraction?

A

To convert sulfide ores into oxides.

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5
Q

Which metal is extracted using the Hall-Héroult process?

A

Aluminum

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6
Q

What is the main source of iron for extraction?

A

Iron ore, primarily hematite (Fe2O3) and magnetite (Fe3O4)

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7
Q

True or False: Carbon is often used as a reducing agent in the extraction of metals.

A

True

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8
Q

What is the term for the process of separating metals from their ores using chemical reactions?

A

Hydrometallurgy

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9
Q

Which non-metal is primarily obtained through the fractional distillation of air?

A

Oxygen

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10
Q

What is the main use of the Bayer process?

A

To extract aluminum from bauxite ore.

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11
Q

Identify the method: The extraction of gold using cyanide solution is known as _____.

A

cyanidation

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12
Q

Which process involves the use of heat and a reducing agent to extract metals?

A

Smelting

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13
Q

True or False: Electrolysis is used for the extraction of reactive metals.

A

True

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14
Q

What is the primary raw material used for the extraction of phosphorus?

A

Phosphate rock

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15
Q

Which non-metal is typically extracted from brine through electrolysis?

A

Chlorine

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16
Q

What is the role of flux in the extraction of metals?

A

To remove impurities during smelting.

17
Q

Fill in the blank: The extraction of metals from their ores is often followed by _____ to purify the metal.

A

refining

18
Q

What is the primary method for extracting copper from its ores?

A

Bioleaching

19
Q

Which metal is extracted using the thermite reaction?

A

Aluminum

20
Q

True or False: Non-metals are generally more electronegative than metals.

A

True

21
Q

What is the purpose of leaching in metal extraction?

A

To dissolve the desired metal from its ore.

22
Q

Identify the extraction method: The process of extracting lithium from brine is known as _____.

A

evaporation

23
Q

What is the main environmental concern associated with metal extraction?

A

Pollution and habitat destruction

24
Q

Which non-metal is essential for the production of fertilizers?

A

Nitrogen

25
Q

Fill in the blank: The process of heating ores in the presence of air to remove sulfur is called _____.

A

calcination

26
Q

What is an example of a metal that is extracted using electrolysis?

A

Sodium

27
Q

True or False: The extraction of metals from their ores is a sustainable practice.

A

False

Metal And Non Metal (2 decks)

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