Matter โ Is Matter Around Us Pure?
Science ยท Grade 9 ยท Week 2 ยท 25 questions
Matter is anything that has mass and takes up space โ and it exists in three main states: solid, liquid, and gas. Understanding the properties of matter is the foundation of both chemistry and physics.
What you'll practise
- Describe properties of solids, liquids, and gases
- Explain changes of state and why they occur
- Distinguish between physical and chemical properties
- Classify materials based on their properties
All 25 questions in this Matter โ Is Matter Around Us Pure? quiz
Grade 9 Science โ Matter โ Is Matter Around Us Pure?: 25 practice questions with instant scoring and explanations.
- Which of the following is a pure substance?
- An element is a substance that:
- A compound is formed when:
- Which of the following is a mixture?
- A solution is a homogeneous mixture where:
- In a suspension, the particles:
- A colloid is different from a solution because:
- The Tyndall effect is observed when:
- Which of the following shows the Tyndall effect?
- The solubility of a salt at a given temperature is best defined as:
- Brass is an example of:
- Which statement is TRUE about mixtures?
- Mud suspended in water is an example of a:
- The difference between a mixture and a compound is:
- Which of the following is a pure substance?
- A saturated solution at 25ยฐC contains:
- When a beam of light passes through a colloid, it becomes visible because:
- Which process is used to prepare a true solution?
- The atomic mass unit (amu) is based on the mass of:
- Alloys are important because they:
- Sea water is classified as a:
- Which of the following is a heterogeneous mixture?
- A substance that cannot be decomposed into simpler substances is called:
- The composition of air by volume is approximately:
- Colloids have particle size in the range of:
Question 1 of 250 correct so far