NEET UG CHEMISTRY MCQ: SURFACE CHEMISTRY

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Application +4 | -1

A cube of

1 \mathrm{~m}

edge length is crushed in order to get small cubes of edge length

1 \mathrm{~mm}

. By which factor does the surface area increase?

View answer and explanation

Correct option: B

10^3

Option B (

10^3

) is correct because the surface area increases by a factor of 1000 when the cube is crushed into smaller cubes with 1/1000th the edge length.

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\log {k}= 0.699,

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19\;\mathrm{g/c}{\mathrm{m}^3}

{1.9 \times {{10}^{ - 4}}\;\mathrm{g}}

10\;\mathrm{ }nm

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