Science Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

When sulphur dioxide and nitrogen dioxide combine with rainwater, they cause ________ rain.

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A Heavy
B Less
C Basic
D Acid

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Answer: D. Acid

Sulphur dioxide and nitrogen dioxide react with water and oxygen in the air to form sulphuric acid and nitric acid. When these fall with rain, it is called acid rain, which damages buildings, forests and aquatic life.

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When sulphur dioxide and nitrogen dioxide combine with rainwater, they cause ________ rain.

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