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

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The oxidation state of oxygen in tetraoxosulphate(VI) acid is




-2
B


+4
C


-8
D

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Calculate the mass of chlorine gas which occupies a volume of 1.12 dm3 at s.t.p. [CI = 35.5; Molar volume of gas at s.t.p. 722.4dm3]




7.10 g
B


3.55 g
C


1.80 g
D

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Which experiment led to the measurement of the charge on an electron?




Oil-drop experiment
B


Scattering a - parti
C


Discharge-tube exper
D

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