Practice What Is A Solution? (2.2) - Is Matter Around Us Pure?

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a solution?
Show hintHide hint
Think about what happens when you stir salt in water.
Question 2.
Name two components of a solution.
Show hintHide hint
Think about what dissolves and what does the dissolving.
3Question 3.
What is the main characteristic of a solution?
- It's heterogeneous.
- It's homogeneous.
- It has visible particles.
Show hintHide hint
Remember the uniformity of sugar in tea.
4Question 4.
True or False: Solute particles can be separated from a solution by filtration.
- True
- False
Show hintHide hint
Consider how you would separate salt from water.
Question 5.
You have a saturated solution of saltwater at room temperature. After cooling it to refrigerator temperature, what do you expect to see and explain why?
Show hintHide hint
Consider what happens to sugar when cold.
Question 6.
How does stirring affect the solubility of a solute in a solvent? Provide a reason for your answer.
Show hintHide hint
Think about how quickly sugar dissolves in hot coffee compared to cold.

5 more questions in this section. Enroll free to practise them all.