Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What type of chemical reaction is represented by Fe2O3 + 2Al → Al2O3 + 2Fe?
What type of chemical reaction is represented by Fe2O3 + 2Al → Al2O3 + 2Fe?
- Decomposition reaction
- Double displacement reaction
- Combination reaction
- Displacement reaction (correct)
What process gives rise to the formation of rust and provides energy in the form of heat and light?
What process gives rise to the formation of rust and provides energy in the form of heat and light?
- Mitochondria
- Exothermic reaction
- Corrosion of metals (correct)
- Cellular respiration
Why is tin used for coating food containers instead of zinc?
Why is tin used for coating food containers instead of zinc?
- Zinc has a lower melting point than tin.
- Zinc is more expensive than tin.
- Zinc is less chemically stable than tin. (correct)
- Zinc is less corrosion-resistant than tin.
What purpose do sensory neurons serve in the human body?
What purpose do sensory neurons serve in the human body?
Signup and view all the answers
Which part of a plant cell is responsible for providing structural support and protection?
Which part of a plant cell is responsible for providing structural support and protection?
Signup and view all the answers
Flashcards are hidden until you start studying
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.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
