Solubility Graph Interpretation Quiz

What does the solubility of a substance at a given temperature indicate?

• The solubility of a substance at a given temperature indicates the color of the substance at that temperature.

• The solubility of a substance at a given temperature indicates the electrical conductivity of the substance at that temperature.

• The solubility of a substance at a given temperature indicates the maximum amount of the substance that can dissolve in a solvent at that temperature.

• The solubility of a substance at a given temperature indicates the atomic weight of the substance at that temperature.

How does the solubility of most solids in water change as the temperature increases?

• The solubility of most solids in water increases as the temperature increases.

• The solubility of most solids in water remains constant as the temperature increases.

• The solubility of most solids in water decreases as the temperature increases.

• The solubility of most solids in water is not affected by temperature.

The solubility of which solute is decreasing with an increase in temperature?

• Potassium nitrate

• Sodium chloride

• Potassium chloride

• Calcium sulphate

The solubility of which solute is not much affected with an increase in temperature?

• Potassium nitrate

• Potassium chloride

• Sodium chloride

• Potassium chlorate

What is the solubility of potassium nitrate at 30 ^ο C ?

• 20 g

• 30 g

• 40 g

• 50 g

At which temperature the solubility of potassium nitrate and potassium chloride is the same?

• 16 ^ο C

• 20 ^ο C

• 25 ^ο C

• 30 ^ο C

Which one is not a pure substance?

• element

• compound

• atom

• mixture

There is 60 g of substance A present in a total mass of 200 g in the sample. What will be its percentage purity?

• 10 %

• 20 %

• 30 %

• 40 %

Who discovered nucleus?

• Thomson

• Rutherford

• Chadwick

• Dalton

What is the charge present on an atom?

• Positive

• Negative

• None

• Both positive and negative