cds 2009 solved paper. CDS (COMBINED DEFENCE SERVICE) FEBRUARY 2009 SOLVED GK, General Knowledge, PAPER cds solved paper. CDS II exam 2009 ( key ). CDS, solved paper of GK. CDS exam was conducted on 13-2-2009. Any score of around 60 is a good one in GK paper for CDS. 1. Which one of the following is used as a mordant in dyeing and tanning industry? (A) Magnesium oxide (B) Magnesium carbonate (C) Magnesium chloride (d) Magnesium sulphate 2. By which one of the following, an old written materia   read more »