1.

    Which of the following is an epsom salt?

    A

    2CaSO4.H2O2{\rm{CaS}}{{\rm{O}}_4}{\rm{.}}{{\rm{H}}_2}{\rm{O}}

    B

    MgSO4.7H2O{\rm{MgS}}{{\rm{O}}_4}.7{{\rm{H}}_2}{\rm{O}}

    C

    MgSO4.2H2O{\rm{MgS}}{{\rm{O}}_4}.2{{\rm{H}}_2}{\rm{O}}

    D

    BaSO4.2H2O{\rm{BaS}}{{\rm{O}}_4}.2{{\rm{H}}_2}{\rm{O}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chemical formulas, Common names of compounds

    Related Questions

    1.

    Which component of cement sets at the slowest rate?

    A

    Dicalcium silicate

    B

    Tricalcium silicate

    C

    Tricalcium aluminate

    D

    Tetracalcium alumino ferrite

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Cement hydration, Concrete chemistry, Material science

    2.

    The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order. K2CO3(I){{\rm{K}}_2}{\rm{C}}{{\rm{O}}_3}\left( {\rm{I}} \right) MgCO3(II){\rm{MgC}}{{\rm{O}}_3}\left( {{\rm{II}}} \right) CaCO3(III){\rm{CaC}}{{\rm{O}}_3}\left( {{\rm{III}}} \right) BeCO3(IV){\rm{BeC}}{{\rm{O}}_3}\left( {{\rm{IV}}} \right)

    A

    I<II<III<IV{\rm{I}} < II < III < IV

    B

    IV<II<III<I{\rm{IV}} < II < III < I

    C

    IV<II<I<III{\rm{IV}} < II < I < III

    D

    II<IV<III<I{\rm{II}} < IV < III < I

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal stability, Ionic compounds, Lattice energy, Polarizing power

    3.

    The plaster of Paris is:

    A

    CaSO4⋅2H2O{\rm{CaS}}{{\rm{O}}_4} \cdot 2{{\rm{H}}_2}{\rm{O}}

    B

    CaSO4{\rm{CaS}}{{\rm{O}}_4}

    C

    2CaSO4⋅2H2O2{\rm{CaS}}{{\rm{O}}_4} \cdot 2{{\rm{H}}_2}{\rm{O}}

    D

    2CaSO4⋅H2O2{\rm{CaS}}{{\rm{O}}_4} \cdot {{\rm{H}}_2}{\rm{O}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chemical formulas, Hydrated salts, Plaster of Paris

    4.

    Alkaline earth metal salts are:

    A

    Paramagnetic

    B

    Diamagnetic

    C

    Ferromagnetic

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Paramagnetism, Diamagnetism, Ferromagnetism, Electronic configuration, Alkaline earth metals

    5.

    Dead burnt is:

    A

    CaSO4{\rm{CaS}}{{\rm{O}}_4}

    B

    Na2CO3{\rm{N}}{{\rm{a}}_2}{\rm{C}}{{\rm{O}}_3}

    C

    Anhydrous Na2SO4{\rm{N}}{{\rm{a}}_2}{\rm{S}}{{\rm{O}}_4}

    D

    Anhydrous CuSO4{\rm{CuS}}{{\rm{O}}_4}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chemical Nomenclature, Inorganic Chemistry

    6.

    Beryllium hydride is obtained by:

    A

    Heating Be in atmosphere of H2{{\rm{H}}_2}

    B

    The action of BeCl2{\rm{BeC}}{{\rm{l}}_2} with LiAIH4{\rm{LiAI}}{{\rm{H}}_4}

    C

    The action of Be with CaH2{\rm{Ca}}{{\rm{H}}_2}

    D

    None of the above

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Chemical Reactions, Beryllium Chemistry, Hydride Formation

    7.

    The number and types of bonds between two carbon atoms in CaC2{\rm{Ca}}{{\rm{C}}_2} are:

    A

    One sigma, one pi

    B

    One sigma, two pi

    C

    Two sigma, one pi

    D

    Two sigma, two pi

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :chemical bonding, sigma bonds, pi bonds, Lewis structures

    8.

    The main constituent of bones is:

    A

    CaCO3{\rm{CaC}}{{\rm{O}}_3}

    B

    CaF2{\rm{Ca}}{{\rm{F}}_2}

    C

    CaSO4{\rm{CaS}}{{\rm{O}}_4}

    D

    Ca3(PO4)2{\rm{C}}{{\rm{a}}_3}{\left( {{\rm{P}}{{\rm{O}}_4}} \right)_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chemical composition, Bone structure

    9.

    Which of the following alkaline earth metals reacts with cold water?

    A

    Beryllium

    B

    Magnesium

    C

    Calcium

    D

    Strontium

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :alkaline earth metals, reactivity

    10.

    The mineral of magnesium is:

    A

    Bauxite

    B

    Malachite

    C

    Carnallite

    D

    Haematite

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mineralogy, Chemical Composition, Magnesium Ores

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