5 Questions
What type of chemical reaction is represented by Fe2O3 + 2Al → Al2O3 + 2Fe?
Displacement reaction
What process gives rise to the formation of rust and provides energy in the form of heat and light?
Corrosion of metals
Why is tin used for coating food containers instead of zinc?
Zinc is less chemically stable than tin.
What purpose do sensory neurons serve in the human body?
For maintaining body balance
Which part of a plant cell is responsible for providing structural support and protection?
Cell wall
Study Notes
Instructions for the Practice Paper
- The practice paper consists of 23 questions.
- The total printed time is 3 hours.
- The maximum marks are 75.
- The paper has 9 pages.
Compulsory Questions
- All questions are compulsory.
- Draw neat and labelled line diagrams wherever necessary.
Marking Scheme
- Questions 1 to 5 are short answer questions.
- Questions 6 to 17 carry 2 marks each.
- Questions 18 to 20 carry 3 marks each.
- Questions 21 to 23 carry 4 marks each.
Word Limit
- Questions 6 to 17 have a word limit of 30.
- Questions 18 to 20 have a word limit of 75.
- Questions 21 to 23 have a word limit of 120.
Practice paper set for the High School Examination 2023-24, covering the subject of Science in both Hindi and English versions. The paper consists of 23 questions, with a maximum of 75 marks to be completed within 3 hours. The instructions and question numbers are provided in the given document.
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