Question

Which of the following is correctly matched? I. Nitrogen: Element: Nitrous Oxide: Compound II. Iron: Element: Rust: Compound III. Mercury: Element: Copper: Compound IV. Oxygen: Element: Water: Compound A. I, II, III, IV B. I, II, III only C. I, II, IV only D. I and II only​

Answer 1

Answer:

1,2,3only is answer

Explanation:

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