MCQ
Like poles
- ✓repel each other
- Battract each other
- Csometimes repel and sometimes attract
- Dno effect at all.
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S.No.
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Column-I (Name of gas in Air)
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S.No.
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Column-II (% age of gas in air)
|
|
$A.$
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Oxygen
|
$(p)$
|
$20\%$
|
|
$B.$
|
Nitrogen
|
$(q)$
|
$79\%$
|
|
$C.$
|
Carbon dioxide
|
$(r)$
|
$0.04\%$
|
|
$D.$
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Other gases
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$(s)$
|
Less than $1\%$
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