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  9. Q69

UKPSC PCS 2024 · Question 69 of 142

Food cans are coated with Tin instead of Zinc, because

Science & Tech

  1. AZinc is expensive than Tin.
  2. BThe melting point of Zinc is higher than Tin .
  3. CZinc is more reactive than Tin.Correct
  4. DZinc is less reactive than Tin.

Answer: C. Zinc is more reactive than Tin.

Explanation

Zinc is more reactive than tin and would contaminate food; tin is the safer coating.

Source: UKPSC Combined Upper PCS Prelims GS Paper-I, Series-A, held 14 Jul 2024 (teachingninja PDF); answer from official UKPSC Series-A key

← Q68View full paper (142 questions)Q70 →

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