Chemistry · May / June 2026 · Paper 21 · Question 2
5070
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The question as text
Sodium azide, NaN3, decomposes when heated to make sodium and nitrogen. 2NaN3(s) 2Na(s) + 3N2(g)
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Show the answer and mark scheme
2(a)[3]
2(b)(i)[1]
2(b)(ii)[2]
2(b)(iii)[1]
2(c)[3]
2(d)[1]
2(e)[1]
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