Multilingual learning is ready for competitive exam preparation.
Permanent old-paper question page

SCHOOL LECTURER (SCHOOL EDU.) 2025 2026 question with answer

Read and share this previous-year question using its permanent link.

Question 49

Q49.लेड नाइट्रेट को उच्च ताप पर गर्म करने पर दिखाई देने वाले भूरे धुएँ का कारण है —