Fill in the blanks in the following conversions:
i) $1 k m = . . . . . . . . . . . m m = . . . . . . . . . . . p m$
ii) $1 m g = . . . . . . . . . . k g = . . . . . . . . . . n g$
iii) $1 m L = . . . . . . . . . . L = . . . . . . . . . . d m^{3}$

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Solution

According to standard units of measurement
$(i)$ $1 k m = 10^{3} m = 10^{6} m m$
$1 p m = 10^{- 12} m$ so $1 m = 10^{12} p m$
$1 K m = 10^{6} m m = 10^{15} p m$

$(i i)$ $1 k g = 10^{3} g = 10^{6} m g$
$1 n g = 10^{- 9} g ⟹ 1 g = 10^{9} n g$
$1 m g = 10^{- 6} k g = 10^{6} n g$

$(i i)$ $1 m l = 10^{- 3} l$ $1 L = 1 d m^{3}$
$1 m l = 10^{- 3} l$ $= 10^{- 3} d m^{3}$

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Similar questions

{d m}^{3}

The following data are obtained when dinitrogen and dioxygen react together to form different compounds:

Mass of dinitrogen Mass of dioxygen

(i) 14 g 16 g

(ii) 14 g 32 g

(iii) 28 g 32 g

(iv) 28 g 80 g

(a) Which law of chemical combination is obeyed by the above experimental data?Give its statement.

(b) Fill in the blanks in the following conversions:

(i) 1 km = ...................... mm = ...................... pm

(ii) 1 mg = ...................... kg = ...................... ng

(iii) 1 mL = ...................... L = ...................... dm³

{d m}^{3}

1 k m = . . . . . . . . . . . c m

m^{2}

c m^{2}

m^{2}

k m^{2}

m^{2}

m m^{2}

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