ICSE Class 8 Chemistry — Sample Chapter Worksheet
A 15-mark ICSE Class 8 Chemistry worksheet on Physical & Chemical Changes, for quick practice at home. The answer key is a separate download, so you can print the worksheet for your child without the answers.
Worksheets can be objective, written or mixed, with numericals and drawings where the chapter has them — this sample is a mix of objective and written questions, with a laboratory diagram. It's free so you can see the quality of our worksheets before you sign up.
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Worksheet: PDF, 1.3 MB · Answer key: PDF, 1.3 MB · Updated for 2026–2027
A taste of the worksheet
Here are two questions from the worksheet. Download the full PDF for all 15 marks.
Question 1 · MCQ
The change from day to night and the change of seasons are examples of which type of change? [1]
Question 2 · Picture-based question
Answer the questions below based on the given laboratory setup shown in the diagram. [5]
(i) Name the process illustrated by this apparatus. [1]
(ii) What type of energy is supplied by the battery to drive this process? [1]
(iii) Name the two gases produced during this process. [1]
(iv) Is the process shown a physical change or a chemical change? [1]
(v) Justify your answer to the previous question with one reason. [1]
Answer: (i) The process shown is electrolysis.
(ii) Electrical energy is supplied by the battery.
(iii) The two gases produced are hydrogen and oxygen.
(iv) The process shown is a chemical change.
(v) Water is decomposed and new substances are formed, which shows that this is a chemical change.
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