... solution was placed in to each of test-tube 1, 2 and 3. 3. 4 drops of iodine solution was added to each of these solutions. 4. 1 cm of amylase solution was placed in test-tubes 4, 5, and 6 5. 3 beakers were labeled A, B and C. 6. Beaker A's temperature was about 10oC using ice to water. Beaker B's temperature was 20oC using cold water and beaker C's temperature was about 35oC by heating. 7. Test tubes 1 and 4 were placed in beaker A, test tubes 2 and 5 were placed in beaker B and test tubes 3 and 6 were placed in beaker C. 8. They were left for five minutes after the amylase from 4 was placed in test tube 1, the amylase from 5 was placed in test tube 2 and the amylase from 6 was placed in test tube 3. Each test tube was shaken to mix its ...

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