Help guys.. this is about flame test experiment?

last week we performed a flame test experiment using a filter paper and a bunsen burner..we first folded the filter paper before we dip it into a solution and before we thrust it over the flame..why do we have to fold it..my teacher told us it is necessary but have not said why..

Answer:
You wanted the chemical to get into the flame, but you didn't want the filter paper to catch fire. Folding it was an easy way of you being able to hold on to the dry bit and getting the wet bit into the flame, but the wet bit not catching fire.
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