MCQ
When ammonium dichromate is heated, the gas formed is
- ✓${N_2}$
- B${O_2}$
- C${H_2}$
- D$N{H_3}$
✓
Answer
Correct option: A.
${N_2}$
a
$\left( NH _4\right)_2 Cr _2 O _7 \rightarrow N _2+4 H _2 O + Cr _2 O _3$
$\left( NH _4\right)_2 Cr _2 O _7 \rightarrow N _2+4 H _2 O + Cr _2 O _3$
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