Chemistry · Chemical Kinetics
Consider a first-order reaction which is 90% complete in 10 hours. When will 99.9% of the reaction be completed?
- 115 hours
- 218 hours
- 320 hours
- 430 hours✓
Correct answer
30 hours
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Chemistry?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Chemical Kinetics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Chemical Kinetics