1994
The different indicator dyes in universal indicator solution are best separated for comparison by
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1994 WAEC SSCE Chemistry Past Questions
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1994
The number of atoms in 1.2g of carbon - 12 isotope is
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1994
The oxidation number of phosphorus in \(\mathrm{PO_4^{3-}}\) is
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1994
Which of the following would increase the rate of reaction of chips of a metal M as shown in the equation below? M(s) + 2HCl(aq) → MCl2(aq) + H2(g)
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1994
Which of the following is not a property of magnesium oxide?
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1994
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
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1994
When naphthalene on heating changes from the solid state directly to the gaseous state it undergoes
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1994
Calcium is usually extracted by the electrolysis of its
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1994
Polyatomicity is illustrated by molecules of
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1994
The following will decolourize acidified potassium tetraoxomanganate (VII) solution except
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1994
Tetraoxosulphate (VI) acid is described as a strong acid because it is highly
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1994
When water is dropped on calcium carbide, the gaseous product is an
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1994
Glucose can be obtained from starch by
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1994
If the volume of a given mass of gas at 0oC is 27.3cm3, what will be the volume of the gas at 10oC, pressure remaining constant?
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1994
Which of the following occurs when an aqueous solution of sodium hydroxide is electrolysed using graphite electrodes?
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1994
The following compounds will decompose on heating except
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1994
In a chemical reaction, the reacting species possess energy of motion known as
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1994
Which of the following electronic structures belongs to a noble gas?
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1994
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)From the equation above what mass of hydrogen would be produced if 12.0 g of magnesium reacted completely with dilute hydrochloric acid? (H = 1, Mg = 24)
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1994
The gaseous product formed when ammonia is passed over heated copper (ll) oxide is
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