Guías de estudio, Notas de estudios & Resúmenes
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED
- Examen • 15 páginas • 2024
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY 
PAPER 2 2024/2025 QUESTION PAPER ALREADY 
PASSED 
What does 'aq' mean? - answer Aqueous - it is dissolved in water 
Water - formula - answer H20 
Ammonia - formula - answer NH3 
Carbon Dioxide - formula - answer CO2 
Hydrogen - formula - answer H2 
Chlorine - formula - answer Cl2 
Oxygen - formula - answer O2 
Ammonium (ion) - formula - answer NH4 (+) 
Hydroxide (ion) - formula - answer OH (-) 
Nitrate (ion) - formula - answer NO3 (-) 
Carbonate (ion) -...
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GCSE AQA Triple Chemistry Paper 1 2024/2025 QUESTIONS AND CORRECT ANSWERS ALREADY PASSED
- Examen • 18 páginas • 2024
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GCSE AQA Triple Chemistry Paper 1 
2024/2025 QUESTIONS AND CORRECT 
ANSWERS ALREADY PASSED 
C8 1) What is required for a reaction to happen? - answer a successful collisions 
C8 2) How can you use a graph to calculate the rate of reaction? - answer calculate 
gradient (on a curve tangent) 
C8 3) What four things can speed up the rate of reaction? - answer temperature, 
concentration, surface area and catalyst 
C8 11) What formula is used to calculate the rate of reaction? - answer amount of ...
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GCSE Computer Science (OCR) Question and Answer 100% Correct
- Examen • 22 páginas • 2024
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- 11,51 €
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GCSE Computer Science (OCR) 
Question and Answer 100% Correct 
Arithmetic Logic Unit (ALU) - Performs operations on data e.g. Addition, 
subtraction 
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CPU - Central Processing Unit 
Control Unit (CU) - Coordinating activities of the CPU 
Registers - Quick, small stores of data within the CPU 
Memory Address Register (MAR) - Holds memory address for data or a 
instruction about to be used by the CPU 
Memory Data Register (MDR) - Holds actual data or instruction 
Accumulator - Stores results of ...
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AQA GCSE (9-1) Business - Paper 1 Exam Questions with Latest Update
- Examen • 8 páginas • 2024
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Disponible en paquete
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Buffer stock - ANSWER-A stock of raw materials held in reserve to protect the production process from unforeseen shortages. 
 
Customer loyalty - ANSWER-The likelihood that past customers will continue to buy from the business, enhanced by high quality customer service and/or reward programme. 
 
Customer satisfaction - ANSWER-Whether customers are pleased with the goods/services they receive; whether they would purchase again. 
 
Flow production - ANSWER-Using a production line to make goods co...
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AQA GCSE Biology - Paper 1 Exam Questions with Correct Answers
- Examen • 25 páginas • 2024
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Disponible en paquete
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What does a nucleus do? - ANSWER-It contains genetic material and controls the activities of the cell 
 
What does cytoplasm do? - ANSWER-It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions 
 
What does a cell membrane do? - ANSWER-It holds the cell together and controls what goes in and out 
 
What do mitochondria do? - ANSWER-These are where most of the reactions for aerobic respiration occur. Respiration transfers e...
Y así es como ganas dinero extra
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AQA GCSE Biology Cell Biology Exam Questions with Complete Solutions
- Examen • 10 páginas • 2024
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Disponible en paquete
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Eukaryotic cells - ANSWER-Plant and animal cells 
 
What characteristics eukaryotic cells? (3) - ANSWER-Cell membrane, cytoplasm and genetic material enclosed in a nucleus 
 
Prokaryotic cells - ANSWER-Bacterial cells 
 
What characteristics prokaryotic cells? (4) - ANSWER-1. much smaller in comparison 
2. have a cytoplasm and cell membrane surrounded by cell wall 
3. genetic material is a single DNA loop not enclosed in a nucleus 
4. may be 1 or more small rings of DNA called plasmids 
 
Millim...
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AQA GCSE Biology Paper 2 Exam Questions with Verified Answers
- Examen • 26 páginas • 2024
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What is homeostasis? - ANSWER-The maintenance of a constant internal environment. 
 
What is a stimulus? - ANSWER-A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. 
 
What do the receptors do? - ANSWER-Detect the stimulus or change in environment. 
 
What happens after the receptors? - ANSWER-Receptors send messages to the CNS via the sensory neurone. 
 
What makes up the central nervous system? - ANSWER-The brain or spinal c...
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AQA GCSE Business Studies Paper 2 Exam Questions with Correct Answers
- Examen • 11 páginas • 2024
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Aim - ANSWER-The intention to reach a goal. 
 
Asset - ANSWER-Something the business owns; it has a value. 
 
Air pollution - ANSWER-The presence or introduction of harmful substances into the air causing disease, allergies or damage to humans, animals, plants or the built environment. 
 
Advertising - ANSWER-A method of communicating information about the product; the business pays for advertising time/space. 
 
Consumer law - ANSWER-Laws designed to ensure that businesses make products that ar...
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AQA GCSE Chemistry - Paper 1 Exam Questions with 100% Correct Answers
- Examen • 20 páginas • 2024
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What is the charge of a proton? - ANSWER-+1 
 
What is the charge of a neutron? - ANSWER-0 
 
What is the charge of an electron? - ANSWER--1 
 
What is the relative mass of a proton? - ANSWER-1 
 
What is the relative mass of a neutron? - ANSWER-1 
 
What is the relative mass of an electron? - ANSWER-Very small 
 
How many types of atoms do elements contain? - ANSWER-Only one type 
 
What are compounds? - ANSWER-Substances containing two or more different elements that are chemically bonded toge...
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AQA GCSE Engineering Exam Questions with Correct Answers
- Examen • 5 páginas • 2024
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What is the function of the drill bit? - ANSWER-To remove material by drilling through. Creates a circular hole. 
 
What material is the drill bit? - ANSWER-High Carbon Steel (HCS) / High Speed Steel (HSS) 
 
What is the function of the chuck? - ANSWER-To hold the drill bit securely. Holds different sized drill bits. 
 
What material is the chuck? - ANSWER-High Carbon Steel (HCS) 
 
What is the function of the handle? - ANSWER-Comfort and grip when using the drill. 
 
What material is the casing...
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