2015
The bond formed when ammonia reacts with hydrogen ion to form ammonium ion is
See more
2015 WAEC SSCE Chemistry Past Questions
2015
The number of unpaired electrons in an atom of an element 8Q is _______?
See more
2015
The alkaline earth metals have similar chemical properties because________?
See more
2015
The number of oxygen molecules present in 16.0g of the gas is ______?[Avogadro's number = 6.02 x 1023]
See more
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]
See more
2015
Which of the following trioxonitrate(V) salts would decompose on heating to form a metal?
See more
2015
Which of the following substances when boiled with aqueous solution of sodium hydroxide would be hydrolyzed?i. Protein ii. Fat iii. Polythene
See more
2015
Which of the following oxides is ionic?
See more
2015
When a reaction is endothermic
See more
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]
See more
2015
The vapour pressure of a liquid depends on:I. Temperature II. rate of condensation III. Cohesive forces holding the particles together.
See more
2015
The general gas equation was deprived from______?
See more
2015
Consider the following reaction equation:SO42-(aq) + 2H+(aq) + ye- \(\to\) SO42-(aq) + H2O(1).The value of y in the equation is
See more
2015
Solubility is practically applied in
See more
2015
Which of the following oxides can be reduced by hydrogen?
See more
2015
An example of an acid salt is
See more
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
See more
2015
Which of the following statements about intermolecular distances and cohesive forces between gas is correct? They are
See more
2015
Consider the following reaction equation:CuO(s) + H2(g) \(\to\) Cu(s) + H2O(1)Which substance is oxidized?
See more
2015
Which of the following statements about an electrochemical cell is correct? Oxidation occurs
See more