What wll happen when `NH_3` is passed over heated cupric oxide. Give balanced equation.

Gas evolved when NH_3 is passed over heated PbO is-

What happens when NH_(3)(g) is passed over molten sodium ?

What happens when H_(3)PO_(3) is heated?

What happens when PCl_(5) is heated ?

What happens when steam is passed over red hot coke? Give suitable equation.

What happens if NH_3 is passed over hot so sodium. Give reaction.

What happens when AgNO_3 is strongly heated?

What will happen when N_2 reacts with heated calcium carbide write with balanced chemical equation. State one use of the compound formed.