Choose the correct statements.
$A$. Weight of a substance is the amount of matter present in it.
$B$. Mass is the force exerted by gravity on an object.
$C$. Volume is the amount of space occupied by a substance.
$D$. Temperatures below $0^{\circ} C$ are possible in Celsius scale,but in Kelvin scale negative temperature is not possible.
$E$. Precision refers to the closeness of various measurements for the same quantity.

  • A
    $B, C$ and $D$ Only
  • B
    $A, B$ and $C$ Only
  • C
    $A, D$ and $E$ Only
  • D
    $C, D$ and $E$ Only

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Observe the following:
$I) 0.0063$
$II) 132.00$
$III) 1004$
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$A$ volume of $1 \ m^3$ is equal to

The triple point of water is ............ $K$.

$1 \, kg \, m^{-3} = \dots \, g \, cm^{-3}$

Select the $INCORRECT$ statement/s from the following:
$(a)$ $22$ books have infinite significant figures
$(b)$ In the answer of calculation $2.5 \times 1.25$,the result has four significant figures.
$(c)$ Zeros preceding the first non-zero digit are significant.
$(d)$ In the answer of calculation $12.11 + 18.0 + 1.012$,the result has three significant figures.

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