____ Na + ____ H2O →____ NaOH + ____H2

____ N2 + ____ H2→ ____ NH3

Calcium hydroxide and phosphoric acid react to form calcium phosphate and water.

____ H2O + ____ O2 →____ H2O2

Potassium metal and chlorine gas combine to form potassium chloride.

____ AlBr3 + ____ K2SO4 →____ KBr + ____ Al2(SO4)3

Copper and sulfuric acid react to form copper (II) sulfate and water and sulfur dioxide.

____ NaBr + ____ CaF2 →____ NaF + ____ CaBr2

____ HCl + ____ CaCO3 →____ CaCl2 + ____H2O + ____ CO2

Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas.

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