Question

Study the diagram below

1. Suggest the aim of the experiment.
2. Account for the results observed at the end of the experiment.

Answer 1

1. Suggest the aim of the experiment. 
   • To indicate the burning food produces carbon IV oxide;
   • To show water was produced when food burns;
2. Account for the results observed at the end of the experiment. 
   • Lime water form white precipitate; to show that carbon IV oxide is produced;
   • blue cobalt II chloride turns pink; due to the presence of water produced when food burns

Answer 2

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