Chemistry Solutions - Online Test
Q1. In the depression of freezing point experiment, it is found that
Answer : Option C
Explaination / Solution:
Addition of non volatile solute decreases the vapour pressure.
Q2. If the temperature of an aqueous solution increases, it will cause
Answer : Option D
Explaination / Solution:
As temperature increases volume also increases and so Molarity decrease.
Q3. Solution is defined as
Answer : Option A
Explaination / Solution:
Solution is Homogeneous mixture of Solute and Solvent.
Q4. Amalgam of mercury with sodium is an example of
Answer : Option B
Explaination / Solution:
Solute is mercury( liquid) and solvent is sodium.
Q5. Which among the following is miscible in each other?
Answer : Option A
Explaination / Solution:
Methanol and Water both are Polar. There is intermolecular Hydrogen Bonding interaction.
Q6. Which among the following is an example of liquid in solid?
Answer : Option A
Explaination / Solution:
Hydrated salts have water molecule of hydration as solute.
Q7. Which among the following is an example of a solid solution in which the solute is a gas?
Answer : Option A
Explaination / Solution:
Pumice stone is example of gas in Solid.
Q8. The type of intermolecular interaction present in n-Hexane and n-Octane is
Answer : Option C
Explaination / Solution:
Both are Non Polar.
Q9. Mathematical expression relating molarity and molality is
Answer : Option A
Explaination / Solution:
m= moles of solute / mass of solvent. M= moles of solute / volume of solution.
Q10. The tanks used by divers are filled with air diluted with
Answer : Option B
Explaination / Solution:
Size of Helium is small so does not causes “Bents” to divers when the dive back to surface.
