Factors Affecting Solubility of Solids in Liquids

Q.

Give three factors which affect the solubility of a solid solute in a solvent.

Q.

How temperature creates more dissolving?? When we increase the temp. Of water how it's solubility increases and why?

Q.

What would you observe when

(a) a saturated solution of potassium chloride prepared at $60°\mathrm{C}$ is allowed to cool to room temperature.

Q. On decreasing the temperature, the solubility of common salt $\left(NaCl\right)$ in water .

1. decreases
2. increases
3. remains the same

Q.

Explain why a hot saturated solution of potassium nitrate forms crystals as it cools?

Q.

Normally, solubility of a crystalline solid increase with temperature. Does it increase uniformly in all cases ? Name a substance whose solubility :

(a) increase rapidly withe temperature.

(b) increase gradually with temperature.

(c) increase slightly with temperature.

(d) initially increases then decreases with rise in temperature.

Q.

What is the effect of temperature on the solubility of $KN{O}_{3}andCaS{O}_4$ in water?

Q.

A substance that contains water of crystallization is called a ________________________ substance.

Q.

What would younobseyou when a saturated solution of potassium chloride prepared at 60 celsusc is allowed to cool to room temperature?

Q.

What is meant by Solubility?

Q.

Define solubility and give one example.

Q.

A boy added a large spoon of sugar to both boiling water and cold water and observed the solution formed. Which among the following is closest to his observation?

1. Sugar gets completely dissolved in boiling water

2. Sugar doesn't dissolve in boiling water

3. Sugar gets completely dissolved in cold water

4. Sugar doesn't dissolve in cold water

Q.

Give three factors which affect the solubility of a solid solute in a solvent.

Q. In an exothermic process, the solubility of a solute decreases with increase in temperature.

1. False
2. True

Q.

Sugar dissolves faster on stirring with a spoon. Which of the following is the best reason to explain this?

1. Mechanical stirring decreases solubility

2. Mechanical stirring increases solubility

3. Stirring has nothing to do with solubility

4. The solution becomes unsaturated if it is stirred

Q.

Which of the following statement is correct?

1. With rise in temperature, the solubility of a solid decreases

2. With rise in temperature, the solubility of a solid first increases and then decreases

3. Temperature has no effect on solubility

4. With rise in temperature, the solubility of a solid increases

Q.

What are the factors that affect the solubility of solid in liquid?

1. Stirring

2. Size of the solute particle

3. Temperature

4. All of the above

Q. purity of a crystalline solid subs†an ce can be checked by its characteritic (a) boiling pt (b) melting pt (c) solubility in water (d) solubility in alcoho

Q.

On decreasing the temperature, the solubility of a solid solute in a liquid______.

1. decreases

2. increases

3. remains same

4. cannot be determined

Q. Solubility is the maximium quantity of a solute that dissolves in a particular amount of a solvent.

1. True
2. False

Q. Which of these factors affect the solubility of solids in water?

1. Size of solute particles

2. Stirring

3. Pressure

4. Temperature