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State whether the following statements a...

State whether the following statements are true or false :
Cutting a log of wood Into pieces is a chemical change.

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To determine whether the statement "Cutting a log of wood into pieces is a chemical change" is true or false, we can follow these steps: ### Step 1: Understand the Definitions - **Chemical Change**: A process where the chemical composition of a substance changes, resulting in the formation of new substances. Examples include burning, rusting, and fermentation. - **Physical Change**: A process that alters the form or appearance of a substance without changing its chemical composition. Examples include cutting, melting, and dissolving. ### Step 2: Analyze the Process of Cutting Wood - When we cut a log of wood into pieces, we are changing its size and shape. ...
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LAKHMIR SINGH & MANJIT KAUR-PHYSICAL AND CHEMICAL CHANGES-EXERCISE
  1. Name a substance which can be purified by crystallisation.

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  2. Name the gas that turns lime water milky is

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  3. State whether the following statements are true or false : Cutting a...

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  4. State whether the following statements are true or false : Formation...

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  5. State whether the following statements are true or false : Condensat...

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  6. State whether the following statements are true or false : Iron and ...

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  7. State whether the following statements are true or false : Iron pipe...

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  8. Classify the changes involved In the following processes as physical o...

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  9. Classify the changes involved In the following processes as physical o...

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  10. Classify the changes involved In the following processes as physical o...

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  11. Classify the changes involved In the following processes as physical o...

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  12. Classify the changes involved In the following processes as physical o...

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  13. Classify the changes involved In the following processes as physical o...

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  14. Which of the following are physical changes and which are chemical cha...

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  15. Which of the following are physical changes and which are chemical cha...

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  16. Which of the following are physical changes and which are chemical cha...

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  17. Which of the following are physical changes and which are chemical cha...

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  18. Which of the following are physical changes and which are chemical cha...

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  19. Which of the following are physical changes and which are chemical cha...

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  20. Which of the following are physical changes and which are chemical cha...

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