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SSC CGL 2019 PYQ — Question 43

SSC CGL - 6th June 2019 - Shift 2 • General Awareness • Q43

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Rust needs three components to occur i.e. ________.

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Correct answer: B

Explanation

The correct answer is option 2 i.e. Iron, oxygen and moisture.   

Rust needs three components to occur i.e. ________

Iron, oxygen and moisture

Rust:
  • Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.