Welcome to your Grade 10 Chemistry chapter 2
After carefully reading the following 30 questions, choose the correct answer.
1.
Which mixture has a uniform composition throughout?
2.
What is the component of a solution that is present in the smaller amount?
3.
Which term describes a solution that contains the maximum amount of solute at a given temperature?
4.
Molarity is defined as the number of moles of solute per:
5.
What is the process of surrounding solute particles with solvent particles to form a solution?
6.
Which factor generally increases the solubility of solid solutes in liquid solvents?
7.
What does "ppm" stand for in concentration terms?
8.
In a liquid-liquid solution, the solvent is usually the component that:
9.
Which concentration unit is defined as the moles of one component divided by the total moles of all components?
10.
Henry's Law relates the solubility of a gas to its:
11.
Which of the following is an example of a gaseous solution?
12.
What is the percentage by mass of a solution containing 10g of solute in 90g of solvent?
13.
Which type of mixture has particles that settle out upon standing?
14.
"Like dissolves like" refers to substances with similar:
15.
What happens to the solubility of most gases in liquids as temperature increases?
16.
Which unit is commonly used for the concentration of trace pollutants?
17.
The solubility of a solute is usually expressed as the mass of solute per:
18.
A solution that contains more solute than it should theoretically hold at a given temperature is:
19.
What is the molarity of a solution containing 2 moles of solute in 4 liters of solution?
20.
Which of the following is a homogeneous mixture?
21.
The process of adding more solvent to a solution to decrease its concentration is:
22.
If the mole fraction of a solute is 0.2, what is the mole fraction of the solvent?
23.
Which of these is an example of a solid solution?
24.
What is the mass percent of a solution with 5g of NaCl in 100g of solution?
25.
In the solvation of NaCl in water, the positive ends of water molecules are attracted to:
26.
Which concentration unit is most useful for stoichiometry in aqueous solutions?
27.
A solution that conducts electricity is called:
28.
What is the total mass of a solution made by mixing 25g of sugar and 100g of water?
29.
Which law is used to calculate the concentration of a diluted solution?
30.
The separation of ions that occurs when an ionic compound dissolves is called:
