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What is the perecntge of lead in lead pe...

What is the perecntge of lead in lead pencil ?

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The correct Answer is:
0
Lead pencils do not contain but it is fraphite .
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Lead is

Knowledge Check

  • Percentage of lead in lead pencil is

    A
    Zero
    B
    20
    C
    40
    D
    80

  • Percentage of lead in lead pencil is

    A
    0.316
    B
    0.84
    C
    0.2
    D
    Zero

  • Percentage of lead in lead pencil is :

    A
    Zero
    B
    20
    C
    80
    D
    70

    • Similar Questions

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    A lead pencil is in the shape of a cylinder. The pencil is 21 cm long with radius 0.4 cm and its lead is of radius 0.1 cm. What is the volume of wood in the pencil ?

    What is the density of lead under a pressure of 2xx10^(8)Nm^(-2) , if the bulk modulus of lead is 8xx10^(9)Nm^(-2) and initially the density of lead is 11.4 g cm^(-3) ?

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