Writing chemical formulae of compounds containing polyatomic ions — task. Chemistry CBSE Live product, Class 9 (2025-26).

Read the following question and answer:

Ammonium nitrate is used in fertilizers and explosives.

1. Identify the polyatomic ion in ammonium nitrate

\(NO_3^-\)
\(N^-\)
\(NH_4^+\)
Both \(NH_4^+\) and \(NO_3^-\)

2. Write the correct chemical formula for ammonium nitrate.

\(N_2H_8O_6\)
\((NH_4)NO_3\)
\(NH_4NO_3\)
\(NH_4(NO_3)_2\)

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