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AQA AS COMPUTER SCIENCE PAPER 2 |7516/2 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
Shade in one lozenge to indicate which of the following values is an irrational number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 2 Shade in one lozenge to indicate which of the following values is a natural number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 3 Define the set of real numbers.
- Exam (elaborations)
- • 57 pages •
Shade in one lozenge to indicate which of the following values is an irrational number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 2 Shade in one lozenge to indicate which of the following values is a natural number. [1 mark] A 3 4 B √2 C 73 D –19 0 1 . 3 Define the set of real numbers.
AQA A LEVEL CHEMISTRY 7405/2 PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
This question is about rates of reaction. Figure 1 shows apparatus used to measure the rate of reaction when an acid reacts with an excess of solid sodium hydrogencarbonate, NaHCO3 When different monoprotic organic acids are used, the rates at which gas escapes can be used to compare the strengths of the acids. A timer is started when the NaHCO3 is added to the acid and the mass of CO2 gas lost is recorded at regular intervals. (It is assumed that any change in mass is due to the loss of ...
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- Exam (elaborations)
- • 66 pages •
This question is about rates of reaction. Figure 1 shows apparatus used to measure the rate of reaction when an acid reacts with an excess of solid sodium hydrogencarbonate, NaHCO3 When different monoprotic organic acids are used, the rates at which gas escapes can be used to compare the strengths of the acids. A timer is started when the NaHCO3 is added to the acid and the mass of CO2 gas lost is recorded at regular intervals. (It is assumed that any change in mass is due to the loss of ...
AQA A LEVEL CHEMISTRY 7405/1 PAPER 1 INORGANIC AND PHYSICAL CHEMISTRY VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3 0 1 . 2 The electron pair repulsion theory can be used to predict the shape of a PF3 molecule. Draw the shape of a PF3 molecule. Include any lone pairs of electrons that influence the shape. Name the shape. [2 marks] Shape Name of shape 0 1 . 3 Suggest why the oxidation state of chro...
- Exam (elaborations)
- • 63 pages •
This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3 0 1 . 2 The electron pair repulsion theory can be used to predict the shape of a PF3 molecule. Draw the shape of a PF3 molecule. Include any lone pairs of electrons that influence the shape. Name the shape. [2 marks] Shape Name of shape 0 1 . 3 Suggest why the oxidation state of chro...
AQA AS CHEMISTRY 7404/2 /PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
This question is about the analysis of organic compounds. For each pair of compounds in Questions 01.1 and 01.2, give a reagent (or combination of reagents) that could be added separately to each compound in a single reaction to distinguish between them. State what is observed in each case. 0 1 . 1 CH3CH2CH2CHO and CH3CH2CH(OH)CH3 [3 marks] Reagent(s) Observation with CH3CH2CH2CHO Observation with CH3CH2CH(OH)CH3 0 1 . 2 Cyclohexane and cyclohexene [3 marks] Reagent(s) Observation w...
- Exam (elaborations)
- • 63 pages •
This question is about the analysis of organic compounds. For each pair of compounds in Questions 01.1 and 01.2, give a reagent (or combination of reagents) that could be added separately to each compound in a single reaction to distinguish between them. State what is observed in each case. 0 1 . 1 CH3CH2CH2CHO and CH3CH2CH(OH)CH3 [3 marks] Reagent(s) Observation with CH3CH2CH2CHO Observation with CH3CH2CH(OH)CH3 0 1 . 2 Cyclohexane and cyclohexene [3 marks] Reagent(s) Observation w...
AQA A LEVEL BUSINESS PAPER 1 7132/1 AND PAPER 2 7132/2.
AQA A LEVEL BUSINESS PAPER 1 ,7132/1 AND PAPER 2 ,7132/2 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
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- AQA A LEVEL BUSINESS 7132/2 PAPER 2 BUSINESS 2 VERSION 1.0 FINAL POST STANDARDISATION VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023 • Exam (elaborations)
- AQA A LEVEL BUSINESS 7132/1 PAPER BUSINESS 1 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023 • Exam (elaborations)
AQA A LEVEL BUSINESS PAPER 1 ,7132/1 AND PAPER 2 ,7132/2 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
AQA A LEVEL BUSINESS 7132/1 PAPER BUSINESS 1 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
Which of the following will cause spare capacity in a business to rise? [1 mark] A New competitors are entering the market. B The business closes some factories. C The business’s product becomes more fashionable. D There is a successful advertising campaign. 0 2 Statement 1: ‘Value added can be increased by creating barriers to entry.’ Statement 2: ‘Value added can be increased by lowering unit costs.’ Read statements 1 and 2 and select the correct option from the following: [...
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- Exam (elaborations)
- • 53 pages •
Which of the following will cause spare capacity in a business to rise? [1 mark] A New competitors are entering the market. B The business closes some factories. C The business’s product becomes more fashionable. D There is a successful advertising campaign. 0 2 Statement 1: ‘Value added can be increased by creating barriers to entry.’ Statement 2: ‘Value added can be increased by lowering unit costs.’ Read statements 1 and 2 and select the correct option from the following: [...
AQA AS BUSINESS |7131/2 PAPER BUSINESS 2 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
Figure 1: Global balloon market values $227 million $260 million $287 million The UK balloon market accounted for 25% of the global market in 2020 and 30% of the global market in 2022. Using Figure 1, calculate the percentage increase in the size of the UK balloon market between 2020 and 2022. Give your answer to two decimal places. [3 marks] Extra space 33 *03* Turn over ► IB/G/Jun23/7131/2 Do not write outside the 0 2 Figure 2: BB financial data for 3000 units box 3000 unit...
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- • 33 pages •
Figure 1: Global balloon market values $227 million $260 million $287 million The UK balloon market accounted for 25% of the global market in 2020 and 30% of the global market in 2022. Using Figure 1, calculate the percentage increase in the size of the UK balloon market between 2020 and 2022. Give your answer to two decimal places. [3 marks] Extra space 33 *03* Turn over ► IB/G/Jun23/7131/2 Do not write outside the 0 2 Figure 2: BB financial data for 3000 units box 3000 unit...
AQA A LEVEL CHEMISTRY 7405/1 PAPER 1 INORGANIC AND PHYSICAL CHEMISTRY VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3 0 1 . 2 The electron pair repulsion theory can be used to predict the shape of a PF3 molecule. Draw the shape of a PF3 molecule. Include any lone pairs of electrons that influence the shape. Name the shape. [2 marks] Shape Name of shape 0 1 . 3 Suggest why the oxidation state of chro...
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- Exam (elaborations)
- • 59 pages •
This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3 0 1 . 2 The electron pair repulsion theory can be used to predict the shape of a PF3 molecule. Draw the shape of a PF3 molecule. Include any lone pairs of electrons that influence the shape. Name the shape. [2 marks] Shape Name of shape 0 1 . 3 Suggest why the oxidation state of chro...
AQA AS CHEMISTRY PAPER 2|7402/2 PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
This question is about the analysis of organic compounds. For each pair of compounds in Questions 01.1 and 01.2, give a reagent (or combination of reagents) that could be added separately to each compound in a single reaction to distinguish between them. State what is observed in each case. 0 1 . 1 CH3CH2CH2CHO and CH3CH2CH(OH)CH3 [3 marks] Reagent(s) Observation with CH3CH2CH2CHO Observation with CH3CH2CH(OH)CH3 0 1 . 2 Cyclohexane and cyclohexene [3 marks] Reagent(s) Observation w...
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- Exam (elaborations)
- • 63 pages •
This question is about the analysis of organic compounds. For each pair of compounds in Questions 01.1 and 01.2, give a reagent (or combination of reagents) that could be added separately to each compound in a single reaction to distinguish between them. State what is observed in each case. 0 1 . 1 CH3CH2CH2CHO and CH3CH2CH(OH)CH3 [3 marks] Reagent(s) Observation with CH3CH2CH2CHO Observation with CH3CH2CH(OH)CH3 0 1 . 2 Cyclohexane and cyclohexene [3 marks] Reagent(s) Observation w...
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