Fill in the blanks:
$(1)$ $Li-Mg$ alloy is used to prepare ......
$(2)$ Colors of superoxides of alkali metals are ...... or ......
$(3)$ On combustion of lithium in the presence of air,it produces ...... and ......
$(4)$ On heating,lithium nitrate converts into ......
$(1)$ $Li-Mg$ alloy is used to prepare ......
$(2)$ Colors of superoxides of alkali metals are ...... or ......
$(3)$ On combustion of lithium in the presence of air,it produces ...... and ......
$(4)$ On heating,lithium nitrate converts into ......
(N/A) $(1)$ Armour plates.
$(2)$ Yellow or orange.
$(3)$ Lithium monoxide $(Li_{2}O)$ and lithium nitride $(Li_{3}N)$.
$(4)$ Lithium oxide $(Li_{2}O)$.
$(2)$ Yellow or orange.
$(3)$ Lithium monoxide $(Li_{2}O)$ and lithium nitride $(Li_{3}N)$.
$(4)$ Lithium oxide $(Li_{2}O)$.
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