1.

    The apparatus in which standard solution is prepared is known as :

    A

    Measuring flask

    B

    Round bottom flask

    C

    Burette

    D

    None of these

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :laboratory equipment, solution preparation

    Related Questions

    1.

    3.011  x  10233.011\,\,x\,\,{10^{^{23}}} atoms of an element weights 1.15 g. The atomic mass of the element is

    A

    46.0 u

    B

    23.0 u

    C

    11.5 u

    D

    92.0 u

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Avogadro's number, atomic mass, mole concept

    2.

    How many water molecules are present in 36 grams of water?

    A

    6.022imes10236.022 imes 10^{23}

    B

    1.2044imes10241.2044 imes 10^{24}

    C

    3.011imes10233.011 imes 10^{23}

    D

    1.8066imes10241.8066 imes 10^{24}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    PYQ YEAR: 2015
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Mole Concept, Molar Mass, Avogadro's Number

    3.

    1 mol of CH4C{H_4} contains

    A

    6.02imes10236.02 imes {10^{23}} atoms of H

    B

    4 g.atom of Hydrogen

    C

    1.81imes10231.81 imes {10^{23}} molecules of CH4C{H_4}

    D

    3.0 g of carbon

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :mole concept, Avogadro's number, atomic mass

    4.

    The Largest number of molecules is in

    A

    36 g of water

    B

    28 g of carbon monoxide

    C

    46 g of ethyl alcohol

    D

    54 g of Nitrogen pentoxide

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :3 mins
    πŸ”„Ncert Concepts :Moles, Molar Mass, Avogadro's Number

    5.

    Which of the following pair of gases contain the same number of molecules?

    A

    16gO2,14gN216{\rm{g}}{{\rm{O}}_2},14{\rm{g}}{{\rm{N}}_2}

    B

    8gO2,22gN28{\rm{g}}{{\rm{O}}_2},22{\rm{g}}{{\rm{N}}_2}

    C

    28gN2,22gCO228{\rm{g}}{{\rm{N}}_2},22{\rm{g C}}{{\rm{O}}_2}

    D

    32gO2,32gN232{\rm{g}}{{\rm{O}}_2},32{\rm{g}}{{\rm{N}}_2}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :moles, molar mass, Avogadro's number

    6.

    One mole of β€…β€ŠCO2\;{\rm{C}}{{\rm{O}}_2} contains:

    A

    6.02imes1023atomsβ€…β€Šofβ€…β€ŠC6.02 imes {10^{23}}{\rm{atoms}}\;{\rm{of}}\;{\rm{C}}

    B

    6.02imes1023atomsβ€…β€Šofβ€…β€ŠO6.02 imes {10^{23}}{\rm{atoms}}\;{\rm{of}}\;{\rm{O}}

    C

    3.01imes1023moleculesβ€…β€Šofβ€…β€ŠCO23.01 imes {10^{23}}molecules\;of\;C{O_2}

    D

    None of the above

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :mole concept, Avogadro's number, chemical formula

    7.

    Which gas contains larger number of molecules?

    A

    4gβ€…β€Šofβ€Šβ€…β€ŠH2O4{\rm{g}}\;{\rm{of}}{\mkern 1mu} \;{{\rm{H}}_2}{\rm{O}}

    B

    2gβ€…β€Šofβ€…β€Šmarshβ€…β€Šgas2{\rm{g}}\;{\rm{of}}\;{\rm{marsh}}\;{\rm{gas}}

    C

    4{\rm{g}}\;{\rm{of}}{\mkern 1mu}  \;{\rm{PC}}{{\rm{l}}_5}

    D

    2gβ€…β€Šofβ€…β€Šphosgene2{\rm{g}}\;{\rm{of}}\;{\rm{phosgene}}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :3 mins
    πŸ”„Ncert Concepts :moles, molar mass, Avogadro's number

    8.

    If Avogadro's number were 6.022imes1015 molβˆ’16.022 imes 10^{15} \, mol^{-1}, what would be the mass of one mole of water (H2_2O)? (Atomic masses: H = 1 u, O = 16 u)

    A

    18 g

    B

    1.8imes10βˆ’81.8 imes 10^{-8} g

    C

    18imes101518 imes 10^{15} g

    D

    Cannot be determined

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    PYQ YEAR: 2015
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Mole Concept, Avogadro's Number, Molar Mass

    9.

    Volume occupied by 3.01imes1023β€…β€Šβ€…β€Š3.01 imes {10^{23}}\;\; molecules of acetylene at NTP is:

    A

    22.4  litre22.4\,\,{\rm{litre}}

    B

    11.2  litre11.2\,\,{\rm{litre}}

    C

    1.12  litre1.12\,\,{\rm{litre}}

    D

    2..24  litre2..24\,\,{\rm{litre}}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Mole concept, Avogadro's number, Molar volume at NTP

    10.

    Which of the following has the maximum number of atoms?

    A

    1 g of Hβ‚‚O

    B

    1 g of Oβ‚‚

    C

    1 g of CHβ‚„

    D

    1 g of Li

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Mole Concept, Avogadro's Number

    company logo

    NEET Subjects

    Our Bots

    Company