The diagram below represents a set up during an experiment(a) (i) What was the experiment investigating?(ii) State the likely identify for substance K(iii) Explain your answer in (a) (ii) above(b) Account for the observation made in flask 2
Answer Text: (a) (i) To investigate how ants respond to moisture.(ii) Concentrated sodium hydroxide/concentrate sulphuric acid.(iii) The colour of cobalt (II) chloride paper remains blue, all moisture/ water vapour was absorbed in the flask by the drying agent.(b) Ants respond positively to moisture hence more ants moved to flask 2 caused cobalt chloride paper to turn pink.
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