HCBBS Forum (English)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

【Daily Question】February 28, 2016: +2 wealth for participation; +3 to 8 wealth for correct answers

2016-02-28View Original

Thread Content

This post was last edited by zjp on 2016-2-29 09:13. To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched; it aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) In the Duma method for determining nitrogen, the sample is burned and decomposed in a combustion tube containing copper oxide and reduced copper; the nitrogen in organic nitrogen-containing compounds is converted into ( ). A Nitrogen B Nitric oxide C Dinitrogen monoxide D Ammonia. Correct answer: A. Post your answer in the replies; participating in the quiz earns you +2 wealth points. Getting all answers correct adds another +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or answers (or include detailed calculation processes) will receive additional wealth 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.
Reply #22016-02-28
In the Duma method for determining nitrogen, the sample is burned and decomposed in a combustion tube containing copper oxide and reduced copper, and the nitrogen in organic nitrogen-containing compounds is converted into (A). A Nitrogen B Nitric oxide C Dinitrogen monoxide D Ammonia
Reply #32016-02-28
In the Duma method for determining nitrogen, the sample is burned and decomposed in a combustion tube containing copper oxide and reduced copper, and the nitrogen in organic nitrogen-containing compounds is converted into (A). A Nitrogen B Nitric oxide C Dinitrogen monoxide D Ammonia

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.