【Daily Question】April 6, 2016: +2 wealth for participation； +3 to 8 wealth for correct answers
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To increase the popularity of the chemical analysis section, a \"One Question per Day\" activity has been launched. This activity aims to foster an active atmosphere for technical exchanges while also providing users with financial rewards. 【One Question per Day】 (Single-choice question) 5. The principle behind operation of a hydrogen flame detector is ( ) A. Different solutions have different refractive indices. B. The component being analyzed selectively absorbs ultraviolet light. C. Organic molecules ionize in a hydrogen-oxygen flame. D. Different gases have different thermal conductivity coefficients. Correct answer: C. Reply with your answer; you will receive +2 points for participating in the quiz. Those who get all answers correct will receive an additional +3 to +8 points. Those who provide thorough analyses and explanations for the questions (or include detailed calculation processes) will receive extra rewards. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions.
C. Organic molecules are ionized in a hydrogen-oxygen flame
C. Organic molecules are ionized in a hydrogen-oxygen flame
C. Organic molecules are ionized in a hydrogen-oxygen flame
In C, the mechanism involves the energy released from combustion being used to ionize the organic substance under test; subsequently, an ion current is generated under the influence of an electric field, which is then detected after signal amplification
C. Organic molecules are ionized in a hydrogen-oxygen flame
C. The flame generated by the combustion of hydrogen and air serves as an energy source to cause chemical ionization of organic substances, thereby generating electrical signals under the influence of an electric field