In the field of mol - Study guides, Class notes & Summaries
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AQA A-level PHYSICS 7408/2 Paper 2 Version: 1.0 Final *JUN237408201* IB/M/Jun23/E7 7408/2 / QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
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AQA 
A-level 
PHYSICS 
7408/2 
Paper 2 
Version: 1.0 Final 
*JUN* 
IB/M/Jun23/E7 7408/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8–32 
TOTAL 
Friday 9 June 2023 Morning Time allowed: 2 hours 
Materials 
For this paper you must have: 
• a pencil and a ruler 
• a scientific calculator 
• a Data and Formulae Booklet 
• a protractor. 
Instructions 
• Use black ink or black ball-point pen. 
• Fill in the boxes at the top of this page. 
• Answer all questions. 
• Yo...
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BACE Exam Practice Test Questions and Answers with Certified Solutions
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BACE Exam Practice Test Questions and Answers with Certified Solutions What is an example of a product easily found in nature? Antibiotic 
In a biotechnology lab, what is tap water is best used for? Washing glassware. 
What is the order of amino acids on a polypeptide chain encoded by? mRNA 
How do DNA molecules vary from one species to another? Number of genes and non-coding regions. 
What is agar? Solid media on which bacteria grow. 
What part of an amino acid differs from one to the other? R ...
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AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT ANSWERS
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AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT 
ANSWERS 
Absolute temperature - ANSWERS Temperature measured in Kelvin 
Absolute zero - ANSWERS The lowest possible temperature theoretically achieveable - 
273.15 degrees celius or zero Kelvin 
Acceleration - ANSWERS The stage in mass spectrometry where positive ions are 
speeded up by an electric field 
Acid rain - ANSWERS Rain that has been acidified by pollutants such as sulfur dioxide 
Actual yield - ANSWERS Mass of product obtained in a ...
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EdX Aero || with 100% Errorless Answers.
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What do we mean when we say that Aeronautical Engineering is multidisciplinary? 
 
A. You need a lot of people to build an aircraft. 
B. Designing an aircraft requires knowledge on many domains. 
C. Various perspectives lead to different visions on how an aircraft should look like. 
D. Aeronautical Engineering is a very difficult field of science. correct answers B. Designing an aircraft requires knowledge on many domains. 
 
What is/are the current trend(s) in aircraft design? (Multiple answe...
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4 A ABSA Questions Correctly Answered To Score A+!!
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4 A ABSA Questions Correctly Answered To Score A+!! 
 
where do we use stays on a fire-tube boiler? 
A) at the top of the boiler 
b)outside of the boiler to mounting brackets 
c) in the steam space of the boiler 
d)between the tubes 
C 
vanstone flange held in place? 
A)screwed fittings 
B)loosely 
C) threaded 
d)star pattern 
B 
effiency of electrostatic precipitator? 
a) 84% 
b)92.9% 
c)98.9% 
d)99.9% 
D 
what is aluminum made from? 
1)pig iron 
2)aluxes 
3)bauxite 
4)copper 
3 
what is a clas...
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AS Level Chemistry Complete Guide Question And Answers.
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Atomic number - correct answer Number of protons in an element 
 
Mass number - correct answer Number of protons and neutrons 
 
Ion - correct answer Electrically charged particle formed by the loss/gain of electrons 
 
Relative masses of P,N and E - correct answer 1,1, 1/2000 (respectively) 
 
Isotopes - correct answer Atoms of the same element with different number of neutrons but same number of protons. 
 
What are steps of mass spectroscopy? - correct answer Ionisation, Acceleration, Deflect...
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ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers,100% CORRECT
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ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers 
 
The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter 
 
is made up of relatively few elements. - CORRECT ANSWER Matter 
 
The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom 
 
Each _______ is made of the same kind of atom - CORRECT ANSWER Element 
 
Combination of atoms held together i...
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AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT ANSWERS
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AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT 
ANSWERS 
Absolute temperature - ANSWERS Temperature measured in Kelvin 
Absolute zero - ANSWERS The lowest possible temperature theoretically achieveable - 
273.15 degrees celius or zero Kelvin 
Acceleration - ANSWERS The stage in mass spectrometry where positive ions are 
speeded up by an electric field 
Acid rain - ANSWERS Rain that has been acidified by pollutants such as sulfur dioxide 
Actual yield - ANSWERS Mass of product obtained in a ...
-
AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT ANSWERS
- Exam (elaborations) • 12 pages • 2024
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AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT 
ANSWERS 
Absolute temperature - ANSWERS Temperature measured in Kelvin 
Absolute zero - ANSWERS The lowest possible temperature theoretically achieveable - 
273.15 degrees celius or zero Kelvin 
Acceleration - ANSWERS The stage in mass spectrometry where positive ions are 
speeded up by an electric field 
Acid rain - ANSWERS Rain that has been acidified by pollutants such as sulfur dioxide 
Actual yield - ANSWERS Mass of product obtained in a ...
-
General, Organic And Biochemistry Hybrid Edition 2nd Edition By James Armstrong - Test Bank.
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Name Clas Dat : s: e: 
 Chapter 01 - Measurements in Science and Medicine 
1. An appropriate unit to measure the length of a football field would be the meter. 
ANSWER: 
True 
ANSWER: 
True 
ANSWER: 
True 
a. b. 
True False 
2. Using a unit of mg to measure the mass of a premature infant would not be appropriate because the mass of the infant would be a very large number. 
a. b. 
True False 
3. The memory capacity of a flash drive is measured in gigabytes so that the capacity can be expressed ...
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