MCQ
Percentage of $Ar$ in air is about
- ✓$1\%$
- B$2\%$
- C$3\%$
- D$4\%$
✓
Answer
Correct option: A.
$1\%$
a
Percentage of $Ar$ in air is $0.93 \,\%$, which is about $1\, \%$.
Percentage of $Ar$ in air is $0.93 \,\%$, which is about $1\, \%$.
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