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The flame tests for sodium and potassium are based on the emissions at and respectively. When both elements are present, the emission is so strong that the emission can be seen only by looking through a cobalt-glass filter.(a) What are the colors of the and emissions?(b) What does the cobalt-glass filter do?(c) Why is used as an oxidizing agent in fireworks rather than
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Question Text | The flame tests for sodium and potassium are based on the emissions at and respectively. When both elements are present, the emission is so strong that the emission can be seen only by looking through a cobalt-glass filter.(a) What are the colors of the and emissions?(b) What does the cobalt-glass filter do?(c) Why is used as an oxidizing agent in fireworks rather than |
Topic | All topics |
Subject | Chemistry |
Class | Class 11 |