Question 21
Which equation is a balanced chemical equation?
A
2NaOH + CaBr2 + Ca(OH)2 + NaBr
B
NO + Cl2 → NOCI
с
CaCO3 + CaO + 2CO2
D
2AlCl3 + 3Mg + 3MgCl2 + 2A|
D
B
Ос
ОА

Question 21 Which equation is a balanced chemical equation A 2NaOH CaBr2 CaOH2 NaBr B NO Cl2 NOCI с CaCO3 CaO 2CO2 D 2AlCl3 3Mg 3MgCl2 2A D B Ос ОА class=