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    As I've seen whilst scrolling down the GCSE's section and viewing threads. Most people seem to struggle in chemistry, now it's fun to learn, revise, just a bit difficult. To make your life easier, if your doing the same exam board as I am, OCR Gateway B, I can help you a little.

    C1 - Carbon Chemistry

    Remember, each module contains 8 topics.
    The 1st module consists of the following topics:
    • Making crude oil useful
    • Using carbon fuels
    • Clean air
    • Making polymers
    • Designing polymers
    • Cooking food and additives
    • Smells
    • Paints and Pigments


    I'll later on put some questions related to C1 and C2. Mostly done C3 questions so far.

    C2 - Chemical Resources


    The 2nd module consists of the following topics:

    • The structure of the Earth
    • Construction Materials
    • Metals and alloys
    • Making cars
    • Making ammonia
    • Acids and bases
    • Fertilisers and crop yields
    • The chemistry of Sodium Chloride


    C3 - Chemical Economics


    The 3rd module consists of the following topics:

    • Rate of reaction 1 – Reaction times and rates
    • Rate of reaction 2 – Reaction rate and changing conditions
    • Rate of reaction 3 – Explosions and catalysts
    • Reacting masses
    • Percentage yield and atom economy
    • Energy, Batch or continuous?
    • Allotropes of carbon and nanochemistry


    Normal questions on the C3 Module: - Not exam style questions, these were all made by me, some include C1 and C2. These are revision based questions, I use these to revise for my C1,C2,C3 test whenever I have one. Then, I develop them into exam questions and really see my intelligence, because in the exam, they'll give more longer or difficult questions.

    Teacher questions:


    1. What are the properties of diamond and how do they relate to the structure?
    2. Why does graphite conduct electricity?
    3. What are allotropes?
    4. How does the limiting reactant affect a reaction?
    5. Describe how the rate of reaction changes during a reaction?
    6. What factors affect the cost of making a drug?
    7. What are the uses of Buckiministerfullerene and why?
    8. What would a graph of rate during a reaction look like?
    9. How does the collision theory explain rates?
    10. What are exothermic and endothermic reactions?
    11. How do you find percentage yield?
    12. Find the RMM (Relative molecular mass) of (NH)4(CL)?
    13. How is the product mass affected by reactants?
    14. What happens when concentration is increased in a reaction?
    15. What happens when temperature is increased in a reaction?
    16. What are the energy changes in bond making and bond breaking?
    17. Why do industries want a high percentage yield?
    18. How do you find the atom economy?
    19. What is a catalyst?
    20. What happens if the surface area of reactants is increased?
    21. Give the equation for finding heat energy from temperature change?
    22. Why do industries want a high atom economy?
    23. Explain conservation of mass in term of particles.
    24. How do you find the RMM or RFM? (Relative molecular mass or relative formula mass)


    My own questions:


    1. What is the difference between 'intermolecular forces', 'covalent bonds' and 'cross-linking bridges'?
    2. What is the difference between a sedimentary rock and a metamorphic rock?
    3. Give examples of a sedimentary rock and a metamorphic rock.
    4. Which rock is the hardest - Limestone, Marble or Graphite, and why?
    5. What is thermal decomposition?
    6. What is the balanced symbol equation of calcium carbonate when it is thermally decomposed?
    7. Why is reinforced concrete stronger than normal concrete?
    8. What makes concrete crack, tension or compression?
    9. What is a composite material?
    10. What is additional polymerisation?
    11. What are phosphorescent pigments, and what do they do?
    12. What is a thermochromic pigment?
    13. How do you make an ester?
    14. What is crude oil?
    15. What is a hydrocarbon?
    16. Where do the high boiling points hydrocarbons exit from in the fractionating column?
    17. What is fractional distillation?
    18. What is subduction?
    19. What was Wegener's theory?
    20. What is ammonia and how is it made?
    21. What is incomplete combustion and complete combustion?
    22. What gases does incomplete combustion make, and what gases does complete combustion make?
    23. What is denaturing?
    24. What is the hydrophobic end and the hydrophilic end of an emulsifier?
    25. What do they attract? ^
    26. What is the job of the hydrophobic and hydrophilic end of an emulsifier?
    27. What is electrolysis?
    28. How do you mine salt? (Give two ways)
    29. What is a cathode?
    30. What is an anode?
    31. What is the difference between Batch processing and Continous processing?
    32. What is chromotography?
    33. What is the formula for atom economy?
    34. Finish the equation. Acid + base -> ? + ?
    35. How do you find the gradient of a graph?
    36. What is that formula called (... / ...)
    37. What is the litosphere?
    38. What is eutrophication?
    39. Why is steel better than iron?
    40. What is another name/term for calcium carbonate?
    41. What does sand make when thermally decomposed?


    I'll write up the exam questions tomorrow, still got to make them.
    If you want the answers to any of the questions I posted on this thread, whether it's the teacher questions or my own questions, feel free to post on this thread or private message me. I'll send my own answers for each questions.
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    Graphite isn't a rock. Maybe you mean granite?
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    What the heck are allotropes? Oo0
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    (Original post by Firenze26)
    What the heck are allotropes? Oo0
    Different structures of an element. For example carbon has graphite, graphene, diamond and buckminsterfullerene, plus a few more obscure ones
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    (Original post by morgan8002)
    Different structures of an element. For example carbon has graphite, graphene, diamond and buckminsterfullerene, plus a few more obscure ones
    Ooh, like oxygen has o2 and ozone?
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    (Original post by Firenze26)
    Ooh, like oxygen has o2 and ozone?
    Yes, you probably don't need to know that for GCSE though
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    (Original post by morgan8002)
    Graphite isn't a rock. Maybe you mean granite?

    Yeah sorry types this all up at like 11pm, you lot avoids answer these questions to test yourself.


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    (Original post by Chittesh14)
    As I've seen whilst scrolling down the GCSE's section and viewing threads. Most people seem to struggle in chemistry, now it's fun to learn, revise, just a bit difficult. To make your life easier, if your doing the same exam board as I am, OCR Gateway B, I can help you a little.

    C1 - Carbon Chemistry

    Remember, each module contains 8 topics.
    The 1st module consists of the following topics:
    • Making crude oil useful
    • Using carbon fuels
    • Clean air
    • Making polymers
    • Designing polymers
    • Cooking food and additives
    • Smells
    • Paints and Pigments


    I'll later on put some questions related to C1 and C2. Mostly done C3 questions so far.

    C2 - Chemical Resources


    The 2nd module consists of the following topics:

    • The structure of the Earth
    • Construction Materials
    • Metals and alloys
    • Making cars
    • Making ammonia
    • Acids and bases
    • Fertilisers and crop yields
    • The chemistry of Sodium Chloride


    C3 - Chemical Economics


    The 3rd module consists of the following topics:

    • Rate of reaction 1 – Reaction times and rates
    • Rate of reaction 2 – Reaction rate and changing conditions
    • Rate of reaction 3 – Explosions and catalysts
    • Reacting masses
    • Percentage yield and atom economy
    • Energy, Batch or continuous?
    • Allotropes of carbon and nanochemistry


    Normal questions on the C3 Module: - Not exam style questions, these were all made by me, some include C1 and C2. These are revision based questions, I use these to revise for my C1,C2,C3 test whenever I have one. Then, I develop them into exam questions and really see my intelligence, because in the exam, they'll give more longer or difficult questions.

    Teacher questions:


    1. What are the properties of diamond and how do they relate to the structure?
    2. Why does graphite conduct electricity?
    3. What are allotropes?
    4. How does the limiting reactant affect a reaction?
    5. Describe how the rate of reaction changes during a reaction?
    6. What factors affect the cost of making a drug?
    7. What are the uses of Buckiministerfullerene and why?
    8. What would a graph of rate during a reaction look like?
    9. How does the collision theory explain rates?
    10. What are exothermic and endothermic reactions?
    11. How do you find percentage yield?
    12. Find the RMM (Relative molecular mass) of (NH)4(CL)?
    13. How is the product mass affected by reactants?
    14. What happens when concentration is increased in a reaction?
    15. What happens when temperature is increased in a reaction?
    16. What are the energy changes in bond making and bond breaking?
    17. Why do industries want a high percentage yield?
    18. How do you find the atom economy?
    19. What is a catalyst?
    20. What happens if the surface area of reactants is increased?
    21. Give the equation for finding heat energy from temperature change?
    22. Why do industries want a high atom economy?
    23. Explain conservation of mass in term of particles.
    24. How do you find the RMM or RFM? (Relative molecular mass or relative formula mass)


    My own questions:


    1. What is the difference between 'intermolecular forces', 'covalent bonds' and 'cross-linking bridges'?
    2. What is the difference between a sedimentary rock and a metamorphic rock?
    3. Give examples of a sedimentary rock and a metamorphic rock.
    4. Which rock is the hardest - Limestone, Marble or Graphite, and why?
    5. What is thermal decomposition?
    6. What is the balanced symbol equation of calcium carbonate when it is thermally decomposed?
    7. Why is reinforced concrete stronger than normal concrete?
    8. What makes concrete crack, tension or compression?
    9. What is a composite material?
    10. What is additional polymerisation?
    11. What are phosphorescent pigments, and what do they do?
    12. What is a thermochromic pigment?
    13. How do you make an ester?
    14. What is crude oil?
    15. What is a hydrocarbon?
    16. Where do the high boiling points hydrocarbons exit from in the fractionating column?
    17. What is fractional distillation?
    18. What is subduction?
    19. What was Wegener's theory?
    20. What is ammonia and how is it made?
    21. What is incomplete combustion and complete combustion?
    22. What gases does incomplete combustion make, and what gases does complete combustion make?
    23. What is denaturing?
    24. What is the hydrophobic end and the hydrophilic end of an emulsifier?
    25. What do they attract? ^
    26. What is the job of the hydrophobic and hydrophilic end of an emulsifier?
    27. What is electrolysis?
    28. How do you mine salt? (Give two ways)
    29. What is a cathode?
    30. What is an anode?
    31. What is the difference between Batch processing and Continous processing?
    32. What is chromotography?
    33. What is the formula for atom economy?
    34. Finish the equation. Acid + base -> ? + ?
    35. How do you find the gradient of a graph?
    36. What is that formula called (... / ...)
    37. What is the litosphere?
    38. What is eutrophication?
    39. Why is steel better than iron?
    40. What is another name/term for calcium carbonate?
    41. What does sand make when thermally decomposed?


    I'll write up the exam questions tomorrow, still got to make them.
    If you want the answers to any of the questions I posted on this thread, whether it's the teacher questions or my own questions, feel free to post on this thread or private message me. I'll send my own answers for each questions.
    Hi I would be really grateful if you could let me have the answers
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    H i I would be really grateful if you please send me the answers many thanks
 
 
 
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