JAMB and WAEC Chemistry questions: Solubility

36 questions with answers and explanations. Tap an option to check yourself.

All topics Acids, bases and salts · 58 Air · 37 Atomic structure and bonding · 59 Chemical combination · 58 Chemical equilibrium · 37 Chemistry and industry · 35 Electrolysis · 41 Energy changes · 38 Environmental pollution · 32 Kinetic theory of matter and gas laws · 45 Metals and their compounds · 47 Non-metals and their compounds · 45 Organic compounds · 72 Oxidation and reduction · 41 Rates of chemical reaction · 38 Separation of mixtures and purification · 42 Solubility · 36 Water · 39

Question 1· Solubility· WAEC
A solution that can dissolve no more solute at a given temperature is said to be
Explanation and discussion
Question 2· Solubility· WAEC
A solution in which more solute can still dissolve at that temperature is
Explanation and discussion
Question 3· Solubility· WAEC
Particles in a colloid differ from those in a true solution in that they
Explanation and discussion
Question 4· Solubility· JAMB
A suspension differs from a colloid in that
Explanation and discussion
Question 5· Solubility· JAMB
The scattering of a beam of light passing through a liquid (the Tyndall effect) shows that the liquid is
Explanation and discussion
Question 6· Solubility· JAMB
In a solution of sugar in water, the water is the
Explanation and discussion
Question 7· Solubility· WAEC
The solubility of most gases in water
Explanation and discussion
Question 8· Solubility· WAEC
Fish in a shallow pond may die on a very hot afternoon mainly because
Explanation and discussion
Question 9· Solubility· WAEC
The solubility of KCl at 30 °C is 37 g per 100 g of water. What mass of KCl saturates 200 g of water at 30 °C?
Explanation and discussion
Question 10· Solubility· WAEC
The solubility of a salt is 30 g per 100 g of water at 25 °C. The mass that dissolves in 250 g of water is
Explanation and discussion
Question 11· Solubility· JAMB
50 g of a salt saturates 200 g of water at 30 °C. Find its solubility in grams per 100 g of water.
Explanation and discussion
Question 12· Solubility· JAMB
Find the concentration in g/dm³ of a 0.5 mol/dm³ solution of sodium hydroxide. (NaOH = 40)
Explanation and discussion
Question 13· Solubility· JAMB
The solubility of sodium chloride at 25 °C is 36 g per 100 g of water. What mass will dissolve in 50 g of water at 25 °C?
Explanation and discussion
Question 14· Solubility· WAEC
Crystals form when a hot saturated solution of potassium trioxonitrate(V) is cooled because
Explanation and discussion
Question 15· Solubility· JAMB
A suspension differs from a true solution in that its particles
Explanation and discussion
Question 16· Solubility· JAMB
5.85 g of sodium chloride is dissolved to make 500 cm³ of solution. Find its concentration. [Na = 23, Cl = 35.5]
Explanation and discussion
Question 17· Solubility· WAEC
Which of these is a suspension?
Explanation and discussion
Question 18· Solubility· WAEC
Undissolved sugar remains at the bottom of a cup of tea after long stirring at a fixed temperature. The tea is
Explanation and discussion
Question 19· Solubility· WAEC
Mayonnaise, made by shaking oil with egg and vinegar, is an example of
Explanation and discussion
Question 20· Solubility· WAEC
Which gas is most soluble in water at room temperature?
Explanation and discussion

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JAMB and WAEC Chemistry questions: Solubility

A solution that can dissolve no more solute at a given temperature is said to be

A solution in which more solute can still dissolve at that temperature is

Particles in a colloid differ from those in a true solution in that they

A suspension differs from a colloid in that

The scattering of a beam of light passing through a liquid (the Tyndall effect) shows that the liquid is

In a solution of sugar in water, the water is the

The solubility of most gases in water

Fish in a shallow pond may die on a very hot afternoon mainly because

The solubility of KCl at 30 °C is 37 g per 100 g of water. What mass of KCl saturates 200 g of water at 30 °C?

The solubility of a salt is 30 g per 100 g of water at 25 °C. The mass that dissolves in 250 g of water is

50 g of a salt saturates 200 g of water at 30 °C. Find its solubility in grams per 100 g of water.

Find the concentration in g/dm³ of a 0.5 mol/dm³ solution of sodium hydroxide. (NaOH = 40)

The solubility of sodium chloride at 25 °C is 36 g per 100 g of water. What mass will dissolve in 50 g of water at 25 °C?

Crystals form when a hot saturated solution of potassium trioxonitrate(V) is cooled because

A suspension differs from a true solution in that its particles

5.85 g of sodium chloride is dissolved to make 500 cm³ of solution. Find its concentration. [Na = 23, Cl = 35.5]

Which of these is a suspension?

Undissolved sugar remains at the bottom of a cup of tea after long stirring at a fixed temperature. The tea is

Mayonnaise, made by shaking oil with egg and vinegar, is an example of

Which gas is most soluble in water at room temperature?