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1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
One atmosphere is equal to
  • ✓
    $101.325\, K pa$
  • B
    $1013.25 \,K pa$
  • C
    ${10^5}\,Nm$
  • D
    None of these
✓

Answer

Correct option: A.
$101.325\, K pa$
a
One Pascal is the pressure exerted by a force of one newton, normally on an area of one square meter.

Atmospheric pressure is the force per unit area by the weight of air on a point. One atmospheric pressure is related with the Pascal as: $1 \,atm =101325 \,Pa$

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