Chemistry 30s Exam Grade 11
GRADE 11 CHEMISTRY (30S)
Final Practice Examination Answer Key
GRADE 11 CHEMISTRY (30S)
Final Practice Examination Answer Key
IInstructions
The final examination will be weighted as follows Modules 1–3 Modules 4–6 The format of the examination will be as follows: Part A: Fill-in-the-Blanks Part B: Multiple Choice Part C: Short Answer Total Marks Include units with all answers as required. Useful Information You will need the following in order to complete this examination: n n n n
15–20% 80–85% 22 x 1 = 22 marks 46 x 1 = 46 marks 32 marks 100 marks
writing utensils and eraser or correction fluid some scrap paper a ruler a scientific calculator
You will have a maximum of 2.5 hours to complete your final exam.
Final Practice Examination Answer Key
3
4
Grade 11 Chemistry
Part A: Fill-in-the-Blanks (22 Marks)
Use the Word Bank at the end of this exam to help you complete the “Fill in the Blank” questions. As each blank is worth one mark, some questions will have a total value of two marks. Note that there are MORE terms provided than you need, so read over the list carefully and choose the terms you want to use. The same term may be used more than once in this section. Stoichiometry (4 marks) 1. The calculated amount of product formed during a reaction is called the ____________________ yield. Theoretical 2. For a given chemical reaction, the actual yield is always ____________________ than the theoretical yield. Less / smaller 3. For ____________________ changes, the release of energy is represented by writing the energy term as a product when writing a chemical equation. Exothermic 4. Balanced chemical equations contain important information about the amount of reactants required to produce given products. These amounts are represented by ____________________. Coefficients Solutions (10 marks) 5. A ____________________ is defined as a mixture of two or more substances that are evenly distributed. Solution 6. The shape of the water molecule, combined
Final Practice Examination Answer Key
GRADE 11 CHEMISTRY (30S)
Final Practice Examination Answer Key
IInstructions
The final examination will be weighted as follows Modules 1–3 Modules 4–6 The format of the examination will be as follows: Part A: Fill-in-the-Blanks Part B: Multiple Choice Part C: Short Answer Total Marks Include units with all answers as required. Useful Information You will need the following in order to complete this examination: n n n n
15–20% 80–85% 22 x 1 = 22 marks 46 x 1 = 46 marks 32 marks 100 marks
writing utensils and eraser or correction fluid some scrap paper a ruler a scientific calculator
You will have a maximum of 2.5 hours to complete your final exam.
Final Practice Examination Answer Key
3
4
Grade 11 Chemistry
Part A: Fill-in-the-Blanks (22 Marks)
Use the Word Bank at the end of this exam to help you complete the “Fill in the Blank” questions. As each blank is worth one mark, some questions will have a total value of two marks. Note that there are MORE terms provided than you need, so read over the list carefully and choose the terms you want to use. The same term may be used more than once in this section. Stoichiometry (4 marks) 1. The calculated amount of product formed during a reaction is called the ____________________ yield. Theoretical 2. For a given chemical reaction, the actual yield is always ____________________ than the theoretical yield. Less / smaller 3. For ____________________ changes, the release of energy is represented by writing the energy term as a product when writing a chemical equation. Exothermic 4. Balanced chemical equations contain important information about the amount of reactants required to produce given products. These amounts are represented by ____________________. Coefficients Solutions (10 marks) 5. A ____________________ is defined as a mixture of two or more substances that are evenly distributed. Solution 6. The shape of the water molecule, combined