Fractional distillation Study guides, Class notes & Summaries
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Certified Specialist of Spirits CSS Exam Prep | Questions with 100% Correct Answers | Verified | Latest Update 2024
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What are the 3 byproducts of sugar in fermentation? - CO2, alcohol, heat 
Boiling Point of Water vs Alcohol - 212/173 
What are the 5 things a fermented liquid contains? - water, acid, aldehydes, esters, and congeners 
What is fractional distillation? - The separation and concentration of two or more liquids with 
different boiling points 
What counts as a congener? - Acids, aldehydes, esters, fusel oils, other alcohols 
Define Heads, Hearts, Tails -
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2023 AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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ction A and 25 minutes on Section B. 
2 
Section A 
Answer all questions in this section. 
0 1This 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 . 1CH3CH2CH2CHO and CH3CH2CH(OH)CH3 
[3 marks] 
Reagent(s) 
Observation with CH3CH2CH2CHO 
Observation ...
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AQA GCSE Chemistry Paper 1 2023 Exam Questions With Complete Solutions
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AQA GCSE Chemistry Paper 1 2023 Exam Questions With Complete Solutions 
What is an atom? - ANSWER Smallest part of an element that can exist 
 
What is an element? - ANSWER A substance made up of one type of atom 
 
How are elements represented? - ANSWER Using symbols, in the periodic table 
 
Approximately how many elements are there? - ANSWER 100 
 
What is a compound? - ANSWER A substance made up of two or more elements chemically c...
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Organic Chemistry (Chem 202): Top Exam Questions & Answers, 100% Accurate. Verified.
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Organic Chemistry (Chem 202): Top Exam Questions & Answers, 100% Accurate. Verified. 
 
Define crude oil.--a fossil fuel which is a mixture of hundreds ofdifferent compounds. 
 
How is crude oil formed?--Crude oil is found trapped in sedimentary rocks. 
 
 
1. Millions of years ago, microscopic animals and plants fell to the bottom of the sea. Their remains then covered by mud. 
2. More sediment buried the mud sediment, it started to change into rock, as temperature and pressure increased. The r...
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IGCSE Chemistry Written Exam 2024.
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IGCSE Chemistry Written Exam 2024. 
 
 
State the method used to obtain sand from a mixture of sand and water - CORRECT ANSWER filtration 
 
State the method used to obtain solid copper sulfate from aqueous copper sulfate - CORRECT ANSWER crystallisation 
 
State the method used to obtain red food dye from a mixture of food dyes - CORRECT ANSWER paper chromatography 
 
State the method used to obtain water from salt water - CORRECT ANSWER simple distillation 
 
Draw a diagram to show equipment u...
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Certified Specialist of Spirits Exam Prep Questions with Answers
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What are the 3 byproducts of sugar in fermentation? CO2, alcohol, heat 
 
Boiling Point of Water vs Alcohol 212/173 
 
What are the 5 things a fermented liquid contains? water, acid, aldehydes, esters, and congeners 
 
What is fractional distillation? The separation and concentration of two or more liquids with different boiling points 
 
What counts as a congener? Acids, aldehydes, esters, fusel oils, other alcohols 
 
Define Heads, Hearts, Tails 1. Heads - first portion of distillate to come o...
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AQA GCSE Chemistry - Paper 1 Correctly Answered 2023.
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AQA GCSE Chemistry - Paper 1 Correctly Answered 2023. 
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 ...
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Chemistry paper 1 OCR
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POSSIBLY ON - 4.1.1 A simple model of the atom, 
symbols, relative atomic mass, electronic charge and 
isotopes 
Atoms- Smallest part of an element that can exist. 
Elements- One type of atom 
Compounds- 2 or more elements chemically combined. 
Mixtures- 2 or more substances mixed together, not chemically 
combined. 
Crystallisation - separates a soluble solid from a solution 
Simple distillation - separates 2 liquids that have different 
boiling points 
Fractional Distillation - Separates a ran...
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RRT EXAM Questions with 100% Correct Answers Verified | Updated 2024/2025
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RRT EXAM Questions with 100% Correct 
Answers Verified | Updated 2024/2025 
therapeutic gases - answerAir, Oxygen, Heliox (Helium/oxygen) Carbon Dioxide, Nitric 
Oxide 
Laboratory gases - answerNitrogen, helium, and carbon dioxide 
Anesthetic gases - answernitrous oxide 
Fire Risk Classifications - answerNon-flammable (do not burn); 
Oxidizing (non-flammable but supportive of combustion); 
Flammable (burns readily, potentially explosive) 
Characteristics of o2 - answerOdorless, tasteless, colorl...
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2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2F Chemistry Paper 2F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the periodic table (enclosed). 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer all questions in the spaces provided. 
• If you need extra space for your answer(s), use the lined pages at the end of 
this book. Write the question number against your answer(s). 
• Do all rough work in this boo...
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