Question 11 MarkCoating of tin over metal: Tinning : : coating of zinc on iron : __________AnswerGalvanizationView full question & answer→
Question 21 MarkAlumina $: AL_2O_3 : :$ Sodium aluminate $:$ __________Answer$NaAlO_2$View full question & answer→
Question 31 MarkCryolite $: AlF_3.3NaF : :$ Fluorspar $:$ __________Answer$CaF_2$View full question & answer→
Question 41 MarkAluminium : Bauxite : : Mercury : __________AnswerCinnabar View full question & answer→
Question 51 MarkBrass : Copper and zinc : : Bronze : __________AnswerCopper and TinView full question & answer→
Question 61 MarkMetal : Reducing agent : : Non metal : __________AnswerOxidising agent View full question & answer→