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Edexcel GCSE Chemistry Paper 2
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Question 1 of 75Question 11 Point
Which subatomic particles surround the nucleus in specific energy levels also known as shells?
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Question 2 of 75Question 21 Point
Which of the following is the correct maximum number of electrons in the first three shells?
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Question 3 of 75Question 31 Point
Calculate the mass of fluorine needed to make 100g of magnesium fluoride. Consult the periodic table for all of the information you will need. Answer to one decimal place.
The balanced chemical equation for this reaction is:
F₂ + Mg → MgF₂
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g
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Question 4 of 75Question 41 Point
Why can we use the periodic table to find out if an element is one of the following three: Alkali metals, noble gases or halogens?
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Question 5 of 75Question 52 Points
Which of the following are properties of alkali metals?
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Question 6 of 75Question 64 Points
Use some of the following words to fill in the blanks.
Lower, higher, increase, decrease, chlorine, iodine
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Complete the statement:
As you go down group 7, density, melting points and boiling points .
That means that fluorine will have a boiling point than chlorine.
So, bromine is denser than and chlorine has a boiling point than iodine.
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Question 7 of 75Question 71 Point
Chemical reactions require a high enough collision energy for reactions to take place. What do we call the minimum amount of energy needed for a reaction?
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Question 8 of 75Question 81 Point
In an experiment to measure the rate of photosynthesis of pondweed in a test tube, the number of bubbles (oxygen) produced per minute is used to determine the rate of reaction. What is this experiment actually measuring?
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Question 9 of 75Question 91 Point
Drag and drop to match the outcome with the type of reaction
- Exothermic
- Endothermic
- If there is no energy input – reactions continue until reactants run out
- If there is no energy input – reactions stop even if there are reactants left
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Question 10 of 75Question 101 Point
Temperature affects the rate of reaction. Which of the following is the correct description of what happens when temperature changes?
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Question 11 of 75Question 111 Point
Which of these describes the term “rate of reaction”?
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Question 12 of 75Question 121 Point
Why is a spark often needed to start a combustion reaction?
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Question 13 of 75Question 136 Points
Use some of the following words to complete the statements below. You may use each word more than once.
Increase, increases, decrease, decreases, lower, higher
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Complete the following statements about the trends in the properties of noble gases as you go down the group:
- Melting points . e.g. helium has a melting point than neon
- Boiling points . e.g. neon has a melting point than argon
- Density . e.g. krypton has a density than argon
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Question 14 of 75Question 141 Point
A bond energy is the energy needed to break one mole of a particular covalent bond. Calculate the overall bond energies of the following reaction using the table provided. 2(H-H) + O=O → 2(H-O-H)
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Question 15 of 75Question 152 Points
Ectothermic, mesothermic, exothermic, endothermic
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Complete the sentence: Breaking bonds is and making bonds is
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Question 16 of 75Question 161 Point
Arrange the following steps in the correct order to describe how crude oil is separated into more useful fractions.
- Bitumen leaves first since it has the lowest boiling point and the column is hotter at the bottom.
- As the vapours rise they cool and different hydrocarbons condense due to their difference in boiling points.
- Fuel oil leaves second, followed by diesel oil.
- Petrol condenses and is removed.
- Kerosene condenses and is removed.
- At the top of the column, some gases leave as they have still not condensed.
- Crude oil is heated until it evaporates and then is pumped into the bottom of a fractionating column.
- When hydrocarbons condense they drip into a tray and are removed in pipes.
View Answers:
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Question 17 of 75Question 171 Point
Hydrocarbons are compounds that contain which two elements only?
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Question 18 of 75Question 181 Point
Hydrocarbons with the longest carbon chains have the highest boiling points. Where are the fractions with the smallest carbon chains removed in a fractionating column?
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Question 19 of 75Question 191 Point
Which gas that leads to acid rain is produced when hydrocarbons containing sulfur are burned?
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Question 20 of 75Question 201 Point
Which process do we use to separate crude oil into more useful and simpler mixtures?
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Question 21 of 75Question 211 Point
Alkanes and alkenes are both part of a series, what is the name we give to the series?
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Question 22 of 75Question 221 Point
Which of the following are effects of climate change?
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Question 23 of 75Question 231 Point
Why do historical measurements by humans of global temperature have some uncertainty?
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Question 24 of 75Question 241 Point
Which steps can we take to reduce the impact of climate change on humanity or prevent further climate change?
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Question 25 of 75Question 251 Point
Why may our attempts to mitigate the effects of climate change cause further damage to the environment?
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Question 26 of 75Question 261 Point
Which of the following examples matches the composition of Earth’s early atmosphere?
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Question 27 of 75Question 274 Points
Use some of the following words to fill in the blanks:
Oxygen, carbon dioxide, methane, water vapour, ultraviolet, infrared, radio
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Energy from the sun in the form of visible waves hits the Earth’s surface and waves are emitted back towards the atmosphere.
Greenhouse gases such as , and absorb infrared radiation from the Earth and re-emit it back to the Earth’s surface, causing warming.
Correct 4 / 4 PointsIncorrect / 4 PointsUse some of the following words:
infrared
carbon dioxide
water vapour
methane
oxygen
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Question 28 of 75Question 281 Point
What is the name of the force that holds together ions in ionic compounds?
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Question 29 of 75Question 291 Point
Which of the following are properties of ionic compounds?
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Question 30 of 75Question 301 Point
Would astatine displace chlorine in an aqueous ionic compound of sodium chloride?
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Question 31 of 75Question 311 Point
Why are some metals extracted through heating with carbon rather than through electrolysis?
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Question 32 of 75Question 321 Point
How many particles are there in a mole of a substance?
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Question 33 of 75Question 331 Point
Calculate the mass of 16 moles of hydrochloric acid.
Click the hint to see the formula for hydrochloric acid, you need to remember this as well as other common acids.
CorrectIncorrectHCl is the formula for hydrochloric acid.
Whilst you’re here, here’s the formulae for other important acids you need to remember…
Nitric acid = HNO3
Sulfuric acid = H₂SO₄
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Question 34 of 75Question 343 Points
Calculate the number of molecules in 16g of oxygen O₂.
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Question 35 of 75Question 351 Point
Complete the following half equation for a reaction the cathode during electrolysis of molten lead bromide. Pb²⁺ + 2e → …..
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Question 36 of 75Question 361 Point
During electrolysis which electrode do anions and cations migrate to?
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Question 37 of 75Question 372 Points
Use some of the following words to fill in the blanks:
Loss, gain, anode, cathode-
Fill in the blanks: Reduction refers to the of electrons and it occurs at the
Correct 2 / 2 PointsIncorrect / 2 PointsUse some of the following words:
anode
cathode
loss
gain
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Question 38 of 75Question 387 Points
Use the following terms to fill in the blanks. Use each term more than once.
Phytoextraction, bioleaching, both
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Match the advantages and disadvantages with the correct method of metal extraction:
- No harmful gases (e.g. sulfur dioxide) are produced –
- Is a very slow process –
- Does not require high temperatures –
- Toxic substances and sulfuric acid which are produced as a byproduct can damage the environment –
- Can be used to extract metals from contaminated soils –
- Is more expensive than mining some ores –
- Growing plants is dependent on weather and climate conditions –
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Question 39 of 75Question 391 Point
Why must the test for any ion be unique?
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Question 40 of 75Question 401 Point
Match each ion to its corresponding flame colour.
- Red
- Lilac
- Lithium ion, Li⁺
- Potassium ion, K⁺
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Question 41 of 75Question 411 Point
Which ion forms a blue precipitate when sodium hydroxide solution is added?
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Question 42 of 75Question 421 Point
Which gas turns damp red litmus paper blue?
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Question 43 of 75Question 431 Point
Which ion can be identified by adding dilute acid and observing effervescence due to carbon dioxide gas?
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Question 44 of 75Question 441 Point
Which ion forms a white precipitate when dilute hydrochloric acid and barium chloride solution are added?
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Question 45 of 75Question 453 Points
Match each halide ion to the colour of precipitate formed when dilute nitric acid and silver nitrate solution are added.
- White precipitate
- Yellow precipitate
- Chloride ion, Cl⁻
- Iodide ion, I⁻
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Question 46 of 75Question 461 Point
Which of the following is a benefit of using instrumental methods of analysis?
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Question 47 of 75Question 471 Point
What can flame photometry be used for?
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Question 48 of 75Question 481 Point
What is the molecular formula of butane?
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Question 49 of 75Question 491 Point
Why are alkanes considered saturated hydrocarbons?
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Question 50 of 75Question 501 Point
What is the general formula for alkenes?
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Question 51 of 75Question 511 Point
What functional group do alkenes contain that makes them unsaturated?
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Question 52 of 75Question 521 Point
What is the product when ethene reacts with bromine?
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Question 53 of 75Question 531 Point
How can bromine water be used to distinguish between alkanes and alkenes?
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Question 54 of 75Question 541 Point
What are the products of the complete combustion of alkanes and alkenes?
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Question 55 of 75Question 551 Point
What is a polymer?
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Question 56 of 75Question 561 Point
In addition polymerisation, how do ethene molecules form poly(ethene)?
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Question 57 of 75Question 571 Point
Match each monomer to the polymer it forms through addition polymerisation.
- Poly(propene)
- Poly(tetrafluoroethene) (PTFE)
- Propene
- Tetrafluoroethene
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Question 58 of 75Question 581 Point
Which monomer is used to make poly(propene)?
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Question 59 of 75Question 591 Point
Which property of PTFE makes it suitable for use in non-stick cookware?
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Question 60 of 75Question 601 Point
Why are polyesters classified as condensation polymers?
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Question 61 of 75Question 611 Point
Select all the problems associated with disposal of polymers:
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Question 62 of 75Question 621 Point
Which of the following is an advantage of recycling polymers?
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Question 63 of 75Question 631 Point
DNA is a natural polymer made from monomers called what?
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Question 64 of 75Question 641 Point
What is the functional group present in all alcohols?
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Question 65 of 75Question 651 Point
In the combustion of alcohols, how does the number of carbon atoms in the alcohol affect the energy released?
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Question 66 of 75Question 661 Point
What is formed when ethanol is oxidised?
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Question 67 of 75Question 671 Point
Which of the following best describes the size range of nanoparticles?
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Question 68 of 75Question 681 Point
Which of the following is a potential risk of using nanoparticles?
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Question 69 of 75Question 693 Points
Match each material to its typical property.
- Good electrical conductivity
- Low density and poor electrical conductivity
- Metals
- Polymers
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Question 70 of 75Question 701 Point
Which material is most suitable for making electrical wiring?
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Question 71 of 75Question 711 Point
Members of a homologous series have similar chemical properties because they have the same what?
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Question 72 of 75Question 721 Point
What is the functional group present in carboxylic acids?
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Question 73 of 75Question 731 Point
What product is formed when an alcohol is dehydrated?
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Question 74 of 75Question 741 Point
What is the molecular formula of ethanoic acid?
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Question 75 of 75Question 752 Points
Use some of the following answers to fill in the blanks:
Dilute nitric acid, dilute hydrochloric acid, barium chloride solution, silver nitrate solution-
To test for sulfate ions, add followed by .
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Is this higher or foundation?
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Edexcel Chemistry Paper 2
This paper attempts to assess the understanding of GCSE students on a variety of chemistry topics that are covered in the second half of the course. As usual, the overarching goal is to prepare students for leaving school, whether that be to gain employment or to move on to further education. There are some common elements in this paper with paper 1, including atomic structure, the periodic table, ionic bonding, covalent bonding as well as types of substances and their properties. Additionally, both tests cover calculations involving masses.
The test includes coverage of some of the important groups in the periodic table such as groups 1, 7 and 0 as well as a look at halogens. Knowledge of rates of reactions is assessed in SC18 alongside heat energy changes in chemical reactions (SC19). SC20 covers the various fuels and combustion, whilst SC21 addresses Earth and atmospheric science, specifically looking at how the atmosphere changes over time and how humans are influencing climate change. Hydrocarbons, alcohols and carboxylic acids are looked at next in SC22 and SC23 respectively. SC24 qualifies students’ learning on polymers and how they are used along with their properties. SC25 tests for knowledge of tests for positive and negative ions. Finally, SC26 tests for understanding the bulk and surface properties of matter, choosing materials, composites and nanoparticles.
If you would like to try another Edexcel Quiz why not try out the first chemistry paper, Edexcel GCSE Chemistry Paper 1.
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