Question:

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value:

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Thunderstorms increase acidity of rain due to nitric acid formation.
Updated On: Mar 24, 2026
  • Slightly lower than that of rain water without thunderstorm
  • Slightly higher than rain water without thunderstorm
  • Uninfluenced by occurrence of thunderstorm
  • Which depends upon the amount of dust in air
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The Correct Option is A

Solution and Explanation


Step 1:
During thunderstorm, nitrogen and oxygen combine to form oxides of nitrogen.
Step 2:
These dissolve in rainwater forming nitric acid, lowering pH.
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