Related Questions

    1.

    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}

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    6.

    Which of the following has greatest no. of atoms

    A

    1g of butane (C4H10)({C_4}{H_{10}})

    B

    1g of Nitrogen (N2)\left( {{N_2}} \right)

    C

    1g of Silver (Ag)\left( {Ag} \right)

    D

    1g of Water (H2O)\left( {{H_2}O} \right)

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    8.

    The total number of electrons in 18 ml of water (density = 1/gml

    A

    6.023imes10256.023\,\, imes \,\,{10^{^{25}}}

    B

    6.023imes10246.023\,\, imes \,\,{10^{^{24}}}

    C

    6.023imes18imes10236.023\,\, imes \,18\,\, imes \,\,{10^{^{23}}}

    D

    6.023imes10236.023\,\, imes \,\,{10^{^{23}}}

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    10.

    Maximum no. of atoms are present in

    A

    8gCH48g\,C{H_4}

    B

    8gC6H12O68g\,{C_6}{H_{12}}{O_6}

    C

    25gCaCO325g\,CaC{O_3}

    D

    28gCO28g\,CO

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