Chemistry JAMB Past Questions

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431

Dissolving some pellets of NaOH in water would result in

View Answer & Discuss (6) JAMB 2007

432

Calculate the number of moles of HCl present in 20cm³ of a 0.75M solution of the acid

View Answer & Discuss (5) JAMB 2007

433

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

View Answer & Discuss (13) JAMB 2007

434

MnO\(_2\)(s) + xHCl(aq) → MnCl\(_2\)(aq) + yH\(_2\)O(l) + zCl\(_2\)(g)
In the equation above, what are the values of x, y and z respectively

View Answer & Discuss (10) JAMB 2007

435

Calculate the mass of chlorine gas which occupies a volume of 1.12dm³ at s.t.p
[Cl = 35.5, molar volume of gas at s.t.p = 22.4 dm³

View Answer & Discuss (8) JAMB 2007

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