2015
The bond formed when ammonia reacts with hydrogen ion to form ammonium ion is
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2015 WAEC SSCE Chemistry Past Questions
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2015
The number of unpaired electrons in an atom of an element 8Q is _______?
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2015
The alkaline earth metals have similar chemical properties because________?
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2015
The number of oxygen molecules present in 16.0g of the gas is ______?[Avogadro's number = 6.02 x 1023]
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2015
Consider the following reaction equation:C2H4(g) + 3O2(g) \(\to\) 2CO2(g) + 2H2O(g)The volume of CO2(g) produced at s.t.p when 0.05 moles of C2H4(g) was burnt in O2(g) is[Molar Volume of gas = 22.4dm3]
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2015
Which of the following trioxonitrate(V) salts would decompose on heating to form a metal?
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2015
Which of the following substances when boiled with aqueous solution of sodium hydroxide would be hydrolyzed?i. Protein ii. Fat iii. Polythene
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2015
Which of the following oxides is ionic?
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2015
When a reaction is endothermic
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2015
Which of the following gases will diffuse most rapidly?[H = 1.00, C = 12.0, O = 16.0, S = 32.0, Cl = 35.5]
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2015
The vapour pressure of a liquid depends on:I. Temperature II. rate of condensation III. Cohesive forces holding the particles together.
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2015
The general gas equation was derived from______?
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2015
Consider the following reaction equation:SO42-(aq) + 2H+(aq) + ye- \(\to\) SO42-(aq) + H2O(1).The value of y in the equation is
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2015
Solubility is practically applied in
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2015
Which of the following oxides can be reduced by hydrogen?
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2015
An example of an acid salt is
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2015
The following diagram illustrates the rate curve that was obtained when Mg reacted with excess dilute HCl.The diagram became horizontal at X because
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2015
Which of the following statements about intermolecular distances and cohesive forces between gas is correct? They are
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2015
Consider the following reaction equation:CuO(s) + H2(g) \(\to\) Cu(s) + H2O(l)Which substance is oxidized?
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2015
Which of the following statements about an electrochemical cell is correct? Oxidation occurs
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