Cluster · Metals and Their Chemical Properties

d
Clusters / #1279
tight score 0.18

Metals Extraction Refining and Corrosion
Questions
109
Questions in this cluster
108 total
Question Category Subtype Difficulty

Rusting of iron is an example of _______.

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reasoning intermediate

Cinnabar is an ore of which among the following elements?

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reasoning intermediate

Dolomite is an ore of which of the following metals?

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reasoning intermediate

Galena is an ore of _______.

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reasoning intermediate

Which of the following factors does not affect the rusting of Iron?

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reasoning intermediate

How is nacre, the technical term for an extract from the inside of a shell, better known as?

[RRB NTPC CBT]

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gk intermediate

To which mineral group do galena, chalcopyrite and molybdenite belong?

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mp_police intermediate

Which of the following metals is NOT obtained by reduction using carbon?

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bihar_police intermediate

Sphalerite is the ore of which metal among the following?

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bihar_police intermediate

Match the following List-I with the List-II.

List-I List-II
A) Haematite i) Copper
B) Bauxite ii) Lead
C) Chalcopyrite iii) Iron
D) Galena iv) Aluminium

 

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bihar_police match_following intermediate

Which of the following is the most widely used method for refining impure metals?

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bihar_police intermediate

Which of the following statements is correct?

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bihar_police intermediate

What is the necessary condition for rusting of iron?

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bihar_police intermediate

Galvanization is a method of protecting iron from rust by coating it with a thin layer of ________.

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bihar_police intermediate

Which of the following metals has an ore called Feldspar?

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bihar_police intermediate

What is the chemical formula for Rust?

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bihar_police intermediate

Iron rusts because of ______ reaction.

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bihar_police intermediate

Sphalerite is the ore of which metal among the following?

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rajasthan intermediate

Which of the following metals reacts with moist carbon dioxide in the air, gradually losing its shiny brown surface and developing a green coating?

 

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rajasthan intermediate

Which of the following metals reacts with moist carbon dioxide in the air, gradually losing its shiny brown surface and developing a green coating?

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up_police intermediate

Galvanization is a method of protecting steel and iron from rusting by coating them with a thin layer of ______.

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up_police intermediate

What is the name of the process used to deposit a layer of zinc on iron to prevent it from rusting?

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rpf intermediate

Which of the following metals has an ore called Feldspar?

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rpf intermediate

What is an example of chemical change?

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rpf intermediate

Iron rusts because of ______ reaction.

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rpf intermediate

Which of the following metals reacts with moist carbon dioxide in the air, gradually losing its shiny brown surface and developing a green coating?

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defence intermediate

Sphalerite is the ore of which metal among the following?

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defence intermediate

The process of depositing a layer of any desired metal on another material by means of electricity is called ____________.

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defence intermediate

Malachite is an ore of-

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delhi_police intermediate

Which of the following metals has an ore called Feldspar?

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delhi_police intermediate

What is the process in which a thick oxide layer of aluminium is developed over the aluminium articles that is dyed to give an attractive finish?

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railways intermediate

A vessel is exposed to moist air for a long time. It acquires a light, green coating. What is the vessel made of?

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railways intermediate

Which among the following is the name of the process when the surface of the metal is disrupted in the presence of moisture or acids?

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railways intermediate

Which of the following is the most widely used method for refining impure metals?

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railways intermediate

Which of the following statements is correct?

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railways intermediate

Which of the following metals reacts with moist carbon dioxide in the air, gradually losing its shiny brown surface and developing a green coating?

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railways intermediate

Galena is an ore of _______.

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railways intermediate

Dolomite is an ore of which among the following elements?

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railways intermediate

Dolomite is an ore of which of the following metals?

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railways intermediate

Which among the following is the name of the process when the surface of metal is disrupted in presence of moisture or acids?

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railways intermediate

Because of ______ reaction, iron rusts.

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railways intermediate

Sphalerite is the ore of which metal among the following?

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railways intermediate

Which of the following metals reacts with moist carbon dioxide in the air, gradually losing its shiny brown surface and developing a green coating?

pipeline-1102431
railways intermediate

Which of the following metals has an ore called Feldspar?

pipeline-1096866
railways intermediate

Which of the following metals reacts with moist carbon dioxide in the air, gradually losing its shiny brown surface and developing a green coating?

pipeline-1080746
railways intermediate

Which of the following is the most widely used method for refining impure metals?

pipeline-1040030
railways intermediate

A vessel is exposed to moist air for a long time. It acquires a light, green coating. What is the vessel made of?

pipeline-848848
railways intermediate

What is the process in which a thick oxide layer of aluminium is developed over the aluminium articles that is dyed to give an attractive finish?

pipeline-848844
railways intermediate

Which of the following statements is correct?

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railways intermediate

Sphalerite is the ore of which metal among the following?

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railways intermediate
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