In some fireworks there is a reaction between powdered aluminium and powdered barium nitrate in which heat is evolved and an unreactive gas is produced.
What is the equation for this reaction?
A. 2Al + Ba (NO3) 2 - > Al2O3 + BaO + 2NO
B. 4Al + 4Ba (NO3) 2 - > 2Al2O3 + 4 Ba (NO2) 2 + O2
C. 10Al + 3 Ba (NO3) 2 - > 5Al2O3 + 3BaO + 3N2
D. 10Al + 18Ba (NO3) 2 - > 10Al (NO3) 3 + 18BaO + 3N2
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