Q 1.Choose the correct option. 7. Due to which of the following reasons chromium plating is done on some objects used in everyday life? (i) Chromium is cheaper (ii) Chromium has a shiny appearance(iii) Chromium does not corrode (iv) Chromium resists scratches (A) (i), (ii), (iii) (B) (ii), (iii), (iv) (C) (i), (iii), (iv) (D) (i), (ii), (iii), (iv)
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A) (i),(ii),( iii)
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A) i, ii,iii,
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