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Practice Neco, Jamb, SSce, Sat, Gre, Toefel, Gmat, Online

Answer the english question Below by selecting the right option.


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The type of bonding in [Cu (NH3) 4]2+ is




Electrovalent
B


metallic
C


covalent
D

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The mixture of gases used in a photographer's flash tube is




krypton and xenon
B


helium and argon
C


argon and xenon
D

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When sodium trioxocarbonate (IV) decahydrate loses its water of crystallization to the atmosphere, the process is




efflorescence
B


hygroscopic
C


effervescence
D

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