2017 WAEC SSCE Chemistry Past Questions

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2017

The common feature of reactions at the anode is that

2017

Chemical reactions occurs when the colliding reactants have energy that is

2017

Soluble salts can be prepared by the following methods except

2017

The property of a chemical reaction that is affected by the presence of a catalyst is

2017

If 0.2g of a salt is required to saturate 200\(cm^{3}\) of water at room temperature, what is the solubility of the salt?

2017

Solubility curve can be used in the determination of the

2017

When water was added to a white anhydrous substance X, the colour changed to blue. X is

2017

Potassium Chloride solid does not conduct electricity because

2017

Halogens generally react with metals to form

2017

Which of the following statements is NOT a chemical property of an acid?

2017

A hydrocarbon contained 14.3% hydrogen. The empirical formula for the hydrocarbon is [H= 1.0, C= 12.0]

2017

Which of the following gases is not acidic?

2017

When Magnesium reacts with oxygen, heat is

2017

The number of atoms present in 2.5moles of a triatomic gas is equivalent to [1mole = \(6.02\times 10^{23}\)]

2017

In a saturated solution at a given temperature, the undissolved solutes are in equilibrium with

2017

Graphite and Diamond are similar in that they

2017

A 0.1\(moldm^{-3}\) solution of sodium hydroxide was diluted with distilled water to 0.001\(moldm^{-3}\). What is the dilution factor?

2017

Which of the following statements about endothermic reaction is correct?

2017

The use of diamond in abrasives is due to its

2017

The properties of a good primary standard include the following except

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