2.1 the pineapple 1. bring a pineapple come sliced into small pieces. 2. boil down to. Approx. 10 min. 3. extract pineapple, pineapple juice, boil out of the already-leave to cool. 4. bring pineapple juice mixed with water, alkalis, derived from the ashes and the lime juice. 5. stir well and leave on for 1 night. 2.2 cucumber 1. sticky come sliced into small pieces. 2. boil down to. For about 15 minutes. 3. extract the cucumber cucumber water boiling out of the already-leave to cool. 4. bring water, cucumber mixed with an alkaline water obtained from the ashes and the lime juice. 5. stir well and leave on for 1 night. 2.3 betel leaves 1. betel leaves cut into small pieces 2. boil down to. Approximately 20 minutes. 3. separate the betel leaves out of the boiling water of the betel leaves already leave to cool. 4. bring water mixed with betel leaves, water, alkalis, derived from the ashes and the lime juice. 5. stir well and leave on for 1 night. 2.4 action. 1. bring liquid obtained from pineapple, cucumber and betel leaves come packing bottles. 2. each type of cleaners, try washing with dirty with containers. 3. observe and record the results of the experiment.
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