1994 - WAEC Chemistry Past Questions and Answers - page 1
The components of universal indicator solution can best be separated by
The number of replaceable hydrogen atoms in one acid indicates its
Catalytic hydrogenation of alkenes produces compounds with the general formula
A measure of the degree of disorder in a chemical system is known as the
In any chemical reaction, the total mass of the products is always equal to that of the reactants. This is statement of the law of
Which of the following is not a property of magnesium oxide?
Which of the following would increase the rate of reaction of chips of a metal M as shown in the equation below? M(s) + 2HCI(aq) → MCI2(aq) + H2(g)
The oxidation number of phosphorus in PO 3/4 is
The number of atoms in 1.2g of carbon - 12 isotope is
Tetraoxosulphate (lV) acid is described as strong acid because it is highly