Choose the correct options for the following questions.
0.5 mole of $\rm{SO_{2}}$ have how much mass of oxygen?
Difficulty: Easy
A:
12
B:
16
C:
32
D:
None of these
In combustion analysis method $\rm{CO_{2}}$ is absorbed by?
Difficulty: Easy
A:
$\rm{KOH}$
B:
$\rm{Mg(ClO_{4})_{2}}$
C:
$\rm{Mg(OH)_{2}}$
D:
None of these
1 amu is equal to?
Difficulty: Easy
A:
$\rm{1.602\times10^{-27}\,\,kg}$
B:
$\rm{1.66\times10^{-27}\,\,kg}$
C:
$\rm{1.66\times10^{-31}\,\,kg}$
D:
None of these
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