Classification based on solubility

Q.

What is the effect of temperature on the solubility of substances?

Q. The solubility of solid solutes depends on temperature. As temperature increases,

1. the solubility of most solid solutes decreases.
2. the solubility of most solid solutes does not vary.
3. the solubility of most solid solutes drops to zero.
4. the solubility of most solid solutes increases.

Q.

State three factors which determine the solubility of solid.

Q.

Which of the following are immiscible liquids?

1. Juice and water

2. Honey and Water

3. Hair oil and water

4. Milk and tea

Q.

5. What happens to solubility of a substance on heating:

1. it increases

2. it decreases

3. it remains unaffected

4. None of these

Q.

Why is the temperature always specified while stating the solubility of a solute?

Q.

Fertigation is a new method to apply:

1. Manures

2. Water

3. Fertilizers

4. All of these

Q. John was preparing tea. He added tea leaves and sugar in the water then he observed that sugar dissolved in the water but the tea leaves were still there in the water. Looking at this situation we can classify tea leaves and sugar on which property?

1. Appearance
2. Transparency
3. Weight
4. Solubility

Q. Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form?​

Q.

Miscible liquids form separate layers in a mixture.

1. True
2. False

Q. Oil is insoluble in water.

1. False
2. True

Q. Substances which completely dissolve in water are known as ____________.

1. Lustrous substances
2. Soluble substances
3. Insoluble substances
4. Sonorous substances

Q. Water is called the universal solvent.

1. True
2. False

Q. John was preparing tea. He added tea leaves and sugar in the water then he observed that sugar dissolved in the water but the tea leaves were still there in the water. Looking at this situation we can classify tea leaves and sugar on which property?

1. Appearance
2. Solubility
3. Transparency
4. Weight

Q.

How soluble a substance depends not only on what the substance is but also on the _____________.