Science and Technology · History of Science
स्टील बनाने की बेसेमर प्रक्रिया का पेटेंट किस वर्ष हुआ था?
- 11865
- 21860
- 31855✓
- 41850
सही उत्तर देखें
1855
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 Science and Technology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on History of Science?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Science and Technology · History of Science