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

【Daily Question】Chemical Analysis Version 2019.11.19

2019-11-19View Original

Thread Content

This post was last edited by zjp on 2019-11-19 08:25. Multiple-choice question: In the iodometry method, starch is the exclusive indicator; when the solution is blue, this indicates ( ). A、The color of iodine B、The color of I– C、The color of the product formed by free iodine and starch D、The color of the product formed by I– and starch C
Reply #22019-11-19
D, I‑ and the color of starch derivatives
Reply #32019-11-19
C. Color of the product formed by free iodine and starch
Reply #42019-11-19
C. Color of the product formed by free iodine and starch

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.