Multiple choice

Zn is the symbol of

  1. zinc

  2. zirconium

  3. helium

  4. hydrazine sulfate
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A Correct answer
Explanation

Zn is the standard chemical symbol for zinc, derived from its German name 'Zink'. Zirconium uses Zr, helium is He, and hydrazine sulfate is a compound, not an element with a single symbol.

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