PROCEDURE: 1. Ignition Tests A. Flammability a. Place 2 to 3 drops of 95% ethyl alcohol solution in a watch glass. Light the alcohol and note the nature of the flame produced. Result : b. Repeat the experiment using water instead of alcohol. Result : В. Charring a. Place a pinch of brown sugar in a dry evaporating dish and heat gently over a small flame until a change is noted. Now heat strongly until the material turns black. What do you think is the material left? b. Repeat using a pinch of NaCl instead of sugar. Heat as before and see what happens to the salt. Did it char? Was there any sign of melting? What can you say about the resistance of organic and inorganic substance to heat?

PROCEDURE: 1. Ignition Tests A. Flammability a. Place 2 to 3 drops of 95% ethyl alcohol solution in a watch glass. Light the alcohol and note the nature of the flame produced. Result : b. Repeat the experiment using water instead of alcohol. Result : В. Charring a. Place a pinch of brown sugar in a dry evaporating dish and heat gently over a small flame until a change is noted. Now heat strongly until the material turns black. What do you think is the material left? b. Repeat using a pinch of NaCl instead of sugar. Heat as before and see what happens to the salt. Did it char? Was there any sign of melting? What can you say about the resistance of organic and inorganic substance to heat?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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