Of the following reduction processes

CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals

Problem

Of the following reduction processes, correct processes are : (1)

\text{Fe}_2\text{O}_3 + \text{C} \longrightarrow \text{Fe}

(2)

\text{ZnO} + \text{C} \longrightarrow \text{Zn}

(3)

\text{Ca}_3(\text{PO}_4)_2 + \text{C} \longrightarrow \text{P}

(4)

\text{PbO} + \text{C} \longrightarrow \text{Pb}