New substances formed in a chemical reaction are called

Numbers placed in front of formulas in an equation are called

_____N2 + ____Cl2 ---- ____NCl3

____ Mg + ____CO2 ------- ____C + _____ MgO

_____Al2O3 ------ _____Al + _____ O2

____MgO -------- ____Mg + ____O2

____Al + ____O2 -------- ____Al2O3

___Zn + __H2SO4 -------- __ZnSO4 + ___H2

____Cl2 + ____KI -------- ____KCl + ____I2

____CuCl -------- ____Cu + ____Cl2

____Na + ____Cl2 -------- ____NaCl

____Al + ____HCl -------- ____AlCl3 + ____H2

____Fe2O3 -------- ____Fe + ____O2

____ZnCl2 + ____(NH4)2S -------- ____ZnS + ____ NH4Cl

_____NaBr + _____BaCl2 --------

_____KF + _____Br2 --------

_____Fe (III) + _____HCl --------

_____AgNO3 + _____HCl --------

_____MgCO3 --------

_____MgO ---------

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