Daily GK Quiz Game 908

Test # 908 [27-Jun-2026]


1.
Match List-I (Oxidation number) with List II (The element) and select the correct answer using the codes given below the lists: [2002]
List-I - List-II
(Oxidation number) - (The elements)
A. 2 - 1. Oxidation number of Mn in MnO2
B. 3 - 2. Oxidation number of S in H2S2O7
C. 4 - 3. Oxidation number of Ca in CaO
D. 6 - 4. Oxidation number of Al in NaAIH4 Codes:

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Element
Element : krypton
Symbol : kr
Atomic no. : 36
Melting Point (deg c) : -157.38
Boiling Point (deg c) : -153.22
Discoverer : ramsay and travers (1898)      .. More >>
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