1.

    Ferric sulphate on heating gives:

    A

    SO2  and  SO3{\rm{S}}{{\rm{O}}_2}{\rm{\;and\;S}}{{\rm{O}}_3}

    B

    SO2{\rm{S}}{{\rm{O}}_2} only

    C

    SO3{\rm{S}}{{\rm{O}}_3} only

    D

    S only

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Thermal decomposition, Chemical reactions, Metal sulfates

    Related Questions

    1.

    Which of the following is coated over iron articles to protect iron from corrosion?

    A

    Paint

    B

    Zinc metal

    C

    Tin metal

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :corrosion, protective coatings, galvanization, tin plating

    2.

    Which of following ions has electronic configuration [Ar]3d6\left[ {Ar} \right]3{d^6}

    A

    Ni3+N{i^{3 + }}

    B

    Mn3+M{n^{3 + }}

    C

    Fe3+F{e^{3 + }}

    D

    CO3+C{O^{3 + }}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :electronic configuration, transition metal ions, orbital filling

    3.

    Cinnabar is an ore of:

    A

    Lead

    B

    Zinc

    C

    Silver

    D

    Mercury

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mineralogy, Ore, Chemical Elements

    4.

    As percentage of carbon increase in iron, its hardness:

    A

    Decreases

    B

    Increases

    C

    Remains same

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :material science, metallurgy, carbon content, hardness

    5.

    A lady’s 18 carat gold wedding ring has become discoloured with some minute drops of mercury from a broken thermometer. Which of the following treatments would restore it to its original condition?

    A

    Washing it carefully with soap and water

    B

    Soaking it overnight in salt water

    C

    Polishing it with silver polish

    D

    Heating it gently in a fume cupboard

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Reactivity of metals, Chemical reactions, Solubility

    6.

    Which metal gives hydrogen gas on heating with hot concentrated alkali?

    A

    Ag

    B

    Ni

    C

    Zn

    D

    Cu

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Reactivity of metals, Reaction with alkali, Hydrogen gas production

    7.

    Ferrous sulphate on heating gives:

    A

    SO3{\rm{S}}{{\rm{O}}_3}

    B

    SO2{\rm{S}}{{\rm{O}}_2}

    C

    Fe2O3{\rm{F}}{{\rm{e}}_2}{{\rm{O}}_3}

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal decomposition, Chemical reactions, Iron chemistry, Sulphur oxides

    8.

    Cuprous chloride is obtained from cupric chloride:

    A

    By heating cupric chloride with chlorine

    B

    By the electrolysis of cupric chloride containing HCl

    C

    By heating cupric chloride with conc. HCl and copper turnings

    D

    By passing H2  {{\rm{H}}_2}\; over CuCl2{\rm{CuC}}{{\rm{l}}_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Redox reactions, Copper chemistry, Chemical reactions

    9.

    Chromium compound used in tanning of leather is:

    A

    Cr2O3{\rm{C}}{{\rm{r}}_2}{{\rm{O}}_3}

    B

    CrO2Cl2{\rm{Cr}}{{\rm{O}}_2}{\rm{C}}{{\rm{l}}_2}

    C

    CrCl3{\rm{CrC}}{{\rm{l}}_3}

    D

    K2SO4.Cr2(SO4)3.24H2O{{\rm{K}}_2}{\rm{S}}{{\rm{O}}_4}.{\rm{C}}{{\rm{r}}_2}{\left( {{\rm{S}}{{\rm{O}}_4}} \right)_3}.24{{\rm{H}}_2}{\rm{O}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chromium compounds, Tanning process, Chemical formula

    10.

    The 3d3d-transition series contains elements from atomic number:

    A

    22 to 30

    B

    21 to 30

    C

    21 to 31

    D

    21 to 29

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :3d transition metals, atomic number, periodic table

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