1.

    Which method is MOST suitable for concentrating an ore containing cassiterite (SnO2) contaminated with wolframite (FeWO4)?

    A

    Froth flotation

    B

    Magnetic separation

    C

    Handpicking

    D

    Gravity separation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Concentration Methods of Ores, Magnetic Separation

    Related Questions

    1.

    The concentration method based on the difference in wettability of ore and gangue particles is:

    A

    Froth flotation

    B

    Magnetic separation

    C

    Leaching

    D

    Gravity separation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Froth flotation, Wettability, Hydrophobic, Hydrophilic

    2.

    Leaching is a preferred method for concentrating ores rich in:

    A

    Aluminum

    B

    Iron

    C

    Zinc

    D

    Lead

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Leaching, Bauxite, Aluminum Extraction

    3.

    Which method is MOST suitable for concentrating an ore containing cassiterite (SnO2) contaminated with wolframite (FeWO4)?

    A

    Froth flotation

    B

    Magnetic separation

    C

    Handpicking

    D

    Gravity separation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Concentration Methods of Ores, Magnetic Separation

    4.

    Which of the following is NOT a concentration method for ores?

    A

    Calcination

    B

    Leaching

    C

    Gravity separation

    D

    Magnetic separation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Concentration of ores, Calcination

    5.

    Which among the following is a carbonate ore of a metal?

    A

    Bauxite

    B

    Calamine

    C

    Cuprite

    D

    Sphalerite

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :carbonate ores, mineral identification, chemical composition

    6.

    Which method is most suitable for concentrating an ore containing iron oxide?

    A

    Magnetic Separation

    B

    Froth Flotation

    C

    Leaching

    D

    Liquation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Magnetic Separation, Iron Ore, Concentration Methods

    7.

    In the froth flotation process, the role of the depressant is to:

    A

    Prevent certain sulphide ores from being collected in the froth

    B

    Stabilize the froth

    C

    Increase the wettability of the ore

    D

    Increase the density of the gangue

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Froth Flotation, Depressants, Sulphide Ores

    8.

    In the Mond process for refining nickel, the volatile intermediate formed is:

    A

    Ni(CO)4Ni(CO)_4

    B

    Ni(CO)6Ni(CO)_6

    C

    Ni2(CO)4Ni_2(CO)_4

    D

    Ni(CO)2Ni(CO)_2

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Concentration Methods of Ores, Refining, Mond Process

    9.

    In the concentration of cassiterite (SnO2_2), which method is employed to remove lighter gangue particles like clay and sand?

    A

    Gravity Separation

    B

    Froth Flotation

    C

    Magnetic Separation

    D

    Leaching

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Gravity Separation, Cassiterite, Concentration Methods

    10.

    In which method is the ore dissolved selectively using a suitable reagent?

    A

    Leaching

    B

    Froth flotation

    C

    Magnetic separation

    D

    Gravity separation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:General Principles And Processes Of Isolation Of Elements
    🎯Topic:Concentration Methods Of Ores
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Leaching

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