अम्ल, क्षार और लवण प्रश्न 18
प्रश्न: अयस से अशुद्धियों को हटाना कहलाता है -
विकल्प:
A) क्रशिंग और ग्राइंडिंग
B) अयस का सांद्रण
C) कैल्सिनेशन
D) रोस्टिंग
Show Answer
उत्तर:
सही उत्तर: B
BETA
The Ministry of Education has launched the SATHEE initiative in association with IIT Kanpur to provide free guidance for competitive exams. SATHEE offers a range of resources, including reference video lectures, mock tests, and other resources to support your preparation. Please note that participation in the SATHEE program does not guarantee clearing any exam or admission to any institute.