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(c) AI
(d) Y is a non-metal and Z is a metal.
(d) Iodine
(a) Ni and Cr
(c) zine
Although metals form basic oxides, which of the following metals form an amphoteric oxide ?
(c) AI
(c) AI
See lessThe electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct ?
(d) Y is a non-metal and Z is a metal.
(d) Y is a non-metal and Z is a metal.
See lessGenerally, non- metals are not lustrous. Which of the following non-metal is lustrous ?
(d) Iodine
(d) Iodine
See lessStainless steel is very useful material for our life. In stainless steel, iron is mixed with
(a) Ni and Cr
(a) Ni and Cr
See lessGalvanisation is a method of protecting iron from rusting by coating with a thin layer of
(c) zine
(c) zine
See less