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you will be given a numbered sample bottle containing a compound that has to be identified ie what is the cation and anion use of a textbook is essential qualitative Vogel will be very helpful in explaining your observations a flame test can give a good indication of the cation if there is a color dip the platinum wire into the concentrated hydrochloric acid and then into the chemical to be tested then place the wire at the top of the blue cone ie the hottest part of the flame try adding a solution a silver nitrate to see if the precipitate is formed heat a small amount of the dry solid in a test tube in the fume cupboard is any gas evolved and if so what is the color a small amount of sample on the end of a microspatula is enough for each test and finally is the compound soluble in water