Here are 10 One-Word Answer Type Questions from the topic Physical Changes (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: Physical Changes
1. Question: What type of change is cutting of paper?
• Answer: Physical
• Explanation: Cutting of paper is a physical change because no new substance is formed.
2. Question: What type of change is melting of wax?
• Answer: Physical
• Explanation: Melting of wax is a physical change as it can be reversed by cooling.
3. Question: What type of change is boiling of water?
• Answer: Physical
• Explanation: Boiling of water is a physical change because water changes to steam but no new substance is formed.
4. Question: What is the process of changing liquid into gas called?
• Answer: Evaporation
• Explanation: Evaporation is a physical change where a liquid changes to gas without forming a new substance.
5. Question: What type of change is dissolving sugar in water?
• Answer: Physical
• Explanation: Dissolving sugar in water is a physical change because sugar can be recovered by evaporation.
6. Question: What type of change is stretching of rubber band?
• Answer: Physical
• Explanation: Stretching a rubber band is a physical change because it returns to its original shape when released.
7. Question: What type of change is breaking of glass?
• Answer: Physical
• Explanation: Breaking of glass is a physical change as no new substance is formed.
8. Question: What is the term for changes that can be reversed?
• Answer: Reversible
• Explanation: Physical changes are generally reversible.
9. Question: What type of change is condensation of steam?
• Answer: Physical
• Explanation: Condensation of steam into water is a physical change.
10. Question: What is the process of changing solid into liquid called?
• Answer: Melting
• Explanation: Melting is a physical change where a solid changes to a liquid without forming a new substance.
If you want, I can now prepare the next set from the topic Chemical Changes in the same one-word format.
Shall I proceed?
