Friday, 5 December 2008
General Science Objective Questions
Posted on 18:37 by Unknown
More Questions > [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ]1. Parmanent hardness of water may be removed by the addition of —(A) Alum(B) Sodium Carbonate(C) Lime(D) Potassium Permanganate2. Potassium nitrate is used in —(A) Salt(B) Glass(C) Fertiliser(D) Medicine3. In which type of rocks are metals like Gold and Copper mostly found ?(A) Old igneous(B) Old sedimentary(C) Old
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