If the density of liquid water is $1.0 \, g \cdot cm^{-3}$ and the density of water vapor is $0.0006 \, g \cdot cm^{-3}$ at $100 \, ^\circ C$ and $1 \, atm$ pressure,then what is the volume occupied by water molecules in $1 \, L$ of steam at the same temperature in $cm^3$?

  • A
    $6$
  • B
    $60$
  • C
    $0.6$
  • D
    $0.06$

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Who is called the father of chemistry?

Match the scientist's name in List-$A$ with their statement in List-$B$.
List-$A$ List-$B$
$(1)$ Roald Hoffmann $(A)$ The proportion of the mass of elements in any compound is fixed.
$(2)$ Lavoisier $(B)$ The smallest indivisible particle of matter is the atom.
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$(4)$ Dalton $(D)$ Matter can neither be created nor destroyed.

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