वर्ग 1 के तत्त्व कहलाते हैं-
- Aसंक्रमण तत्त्व
- Bक्षार धातुएँ
- Cक्षारीय मृदा धातुएँ
- Dलैथेनाइड्स
106 questions across 1 question group — pick any mix to generate a विज्ञान paper with step-by-step answer keys.
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: D.
View full solution →Answer: C.
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