engineering recuitment MP Vyapam Sub Engineer Mock Test 2024 General Science Chemistry Classification of Elements and Periodicity in Properties

कौन-से तत्व सिलिकॉन के समान संयोजकता प्रदर्शित करते हैं?

1
Na और H
2
Mg और K
3
C और Ge
4
Cl और Br
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