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Portable Network Graphic  |  1990-06-19  |  5KB  |  494x296  |  1-bit (2 colors)
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OCR: Conductivity: The apparatus pictured is used to determine how well a liquid conducts electricity. If a liquid is a good conductor, the bulb will glow brightly when the electrodes are dipped into the solution. This indicates that the liquid is a strong electrolyte. If the bulb is dim when the electrodes are immersed in the liquid, the the solution is a weak electrolyte. If the bulb does not show any sign of electricity flowing thru the wire, then the liquid is a poor con- ductor of electricity and can be classified as a nonelectrolyte. Acids, bases, and salts make up the electrolytes. Molecules like sugar and urea are examples of nonelectrolytes.