Matter and its properties - One Line Questions

1. The freezing point of water at standard atmospheric pressure is: — 0°C
2. The boiling point of water at standard atmospheric pressure is: — 100°C
3. The temperature at which a solid changes into a liquid is called its: — Melting point
4. Which of the following is an example of a physical change? — Melting of ice
5. A change that alters the form of a substance but not its chemical composition is a: — Physical change
6. A mixture is a substance comprising two or more components not chemically bonded and can be separated by: — Physical means
7. Gas particles are: — Far apart and move randomly at high speeds
8. Which of the following is a characteristic property of matter? — Density
9. Air is an example of a: — Homogeneous mixture
10. The process by which particles of different substances mix is called: — Diffusion
11. Which of the following is an example of a chemical change? — Photosynthesis
12. The ability of a substance to be hammered or rolled into thin sheets is called: — Malleability
13. Water (H₂O) is an example of a: — Compound
14. Which process involves the change of state from gas to liquid? — Condensation
15. What is the term for the change of state from solid to liquid? — Melting
16. The process of deposition is the direct change from: — Gas to solid
17. What property of matter allows it to resist changes in its state of motion? — Inertia
18. Liquids have a definite volume but: — Take the shape of their container
19. Which of the following is a physical property of water? — Its boiling point
20. Which of the following is an example of matter? — Oxygen
21. If two objects have the same volume but different masses, the one with the greater mass has: — Higher density
22. The ability of a substance to be drawn into thin wires is known as: — Ductility
23. A substance that breaks easily when subjected to stress is said to be: — Brittle
24. Which of the following is NOT a property of matter? — Energy
25. Matter is defined as anything that has: — Mass and occupies space
26. The law of conservation of mass states that in a chemical reaction: — Mass is neither created nor destroyed
27. Density is defined as: — Mass divided by volume
28. What is the process of a solid directly converting into a gas? — Sublimation
29. The change of state from liquid to gas is called: — Boiling
30. The change of state from liquid to solid is known as: — Freezing
31. The temperature at which a liquid changes into a gas at its boiling point is called its: — Boiling point
32. What is the term for the temperature at which a gas condenses into a liquid? — Condensation point
33. Which property describes the tendency of matter to resist changes in its state of motion? — Inertia
34. Plasma is often referred to as the 'fourth state of matter' and consists of: — Ions and electrons
35. An element is a pure substance that cannot be broken down into simpler substances by: — Chemical means only
36. Which of the following is a homogeneous mixture? — Saltwater
37. Which state of matter has a definite shape and a definite volume? — Solid
38. In which state of matter are particles tightly packed in a fixed arrangement? — Solid
39. Which state of matter has no definite shape and no definite volume? — Gas
40. Which state of matter can be compressed most easily? — Gas
41. A substance that maintains its volume but takes the shape of its container is a: — Liquid
42. The ability of a substance to dissolve another substance is called: — Solubility
43. A substance that dissolves a solute is called a: — Solvent
44. The substance that is dissolved in a solvent to form a solution is called the: — Solute
45. Which property refers to the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius? — Specific heat capacity
46. What is viscosity? — The resistance of a liquid to flow
47. A chemical change results in: — The formation of new substances
48. Which property describes how easily a material can be scratched or dented? — Hardness
49. A heterogeneous mixture has: — Non-uniform composition
50. A compound is a substance formed when two or more elements are chemically combined in a: — Fixed proportion
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