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Edexcel GCSE Chemistry Paper 1
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Question 1 of 74Question 11 Point
Drag and drop to match the density with the state of matter
- Solid
- Gas
- Most dense state
- Least dense state
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Question 2 of 74Question 26 Points
Match the change of state with the transition using the words below.
Freezing, sublimation, evaporation or boiling, condensation, melting, deposition
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- Gas to liquid =
- Liquid to solid =
- Solid to liquid =
- Liquid to gas =
- Solid to gas =
- Gas to solid =
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Question 3 of 74Question 33 Points
Drag and drop to match the description to the term
- Element
- Compound
- Mixture
- Contains only a particular type of atoms
- Contains more than one type of atoms, chemically bonded together
- Contains more than one type of atoms, but not chemically bonded together
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Question 4 of 74Question 41 Point
The graph shows a heating curve for substance X (red) and substance Y (blue). Drag and drop to match the substance to the correct description.
- X (red)
- Y (blue)
- Pure
- Impure
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Question 5 of 74Question 51 Point
What is the chemical symbol for copper?
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Question 6 of 74Question 61 Point
The table shows 3 substances and their melting points. What common substance, in particular, could substance Z be?
CorrectIncorrectWhich common, very important substance melts or freezes at 0 degrees C?
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Question 7 of 74Question 73 Points
Drag and drop to match the charge with the correct particle
- Protons
- Electrons
- Neutrons
- +1
- -1
- 0
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Question 8 of 74Question 81 Point
Drag and drop to match the description to the correct number
- Atomic number
- Mass number
- Number of protons
- Number of protons plus neutrons
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Question 9 of 74Question 91 Point
True or false. All atoms of the same element have the same atomic number.
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Question 10 of 74Question 101 Point
Which of the following things were hypothesised by John Dalton in 1805?
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Question 11 of 74Question 111 Point
Atomic number represents the number of protons in the nucleus of an atom. This means that elements further down the table have:
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Question 12 of 74Question 121 Point
In the modern periodic table, what are rows and columns called?
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Question 13 of 74Question 131 Point
Mendeleev did not know about isotopes, this caused his periodic table to have pair reversals where elements with a higher atomic weight were placed before elements with a lower atomic weight. Which subatomic particles are found in different numbers in isotopes?
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Question 14 of 74Question 141 Point
What is the electronic configuration of boron?
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Question 15 of 74Question 151 Point
Filtration and crystallisation are used to separate which types of materials?
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Question 16 of 74Question 161 Point
When a mixture of rocks, salt and water is filtered, what will be the residue?
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Question 17 of 74Question 171 Point
Fractional distillation is used to separate which types of materials?
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Question 18 of 74Question 188 Points
Use some of the following words to complete the statements below. You may use each word more than once.
Diamond, graphite, tetrahedral, delocalised, intermolecular, lattice, covalent, ionic
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Complete the following statements:
- Graphite and diamond have high melting points because many strong bonds need to be broken
- does not conduct electricity because it has no electrons
- does conduct electricity because it has only three covalent bonds, leaving one electron from each atom.
- is soft because it is arranged in sheets with weak forces holding them together. These can easily slide over each other
- is hard because the carbon atoms are covalently bonded to 4 other carbon atoms, in a arrangement
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Question 19 of 74Question 191 Point
How do sodium and chlorine atoms bond?
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Question 20 of 74Question 201 Point
How many sulfur atoms will react with two lithium atoms to form an ionic compound?
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Question 21 of 74Question 211 Point
What do group one atoms do when they bond ionically with group 7 atoms?
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Question 22 of 74Question 221 Point
Which of these best describes metallic bonding?
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Question 23 of 74Question 231 Point
Why is magnesium a better electrical conductor than sodium?
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Question 24 of 74Question 241 Point
Halogens react with metals to form metal halides. Which kind of bond holds them together?
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Question 25 of 74Question 251 Point
A soluble base is called?
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Question 26 of 74Question 261 Point
What do acids produce when they dissolve in water?
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Question 27 of 74Question 271 Point
Can strong and weak acids have the same pH?
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Question 28 of 74Question 286 Points
Match the formula to the compound
Sodium hydroxide, hydrochloric acid, potassium hydroxide, nitric acid, calcium hydroxide, sulfuric acid
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H₂SO₄ =
NaOH =
HCl =
KOH =
Ca(OH)₂ =
HNO₃ =
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Question 29 of 74Question 291 Point
Solutions of less than pH 7 are?
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Question 30 of 74Question 301 Point
Strong acids do what in water?
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Question 31 of 74Question 311 Point
Calculate the empirical formula of a compound that contains 69.94g of Fe (Aᵣ – 55.85) and 30.06g of O (Aᵣ – 12.00).
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Question 32 of 74Question 321 Point
Determine the empirical formula for Cyclopentane – C₅H₁₀?
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Question 33 of 74Question 333 Points
Closed, non-enclosed, neutralisation, precipitation, equal, non-equal
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Complete the statement describing a chemical reaction:
Potassium iodide solution and lead nitrate solution react in a closed flask to form a yellow precipitate of lead iodide and a colourless solution of potassium nitrate. This is a reaction and since it occurs in a closed flask it is an example of a system. The mass of the reactants and products will be .
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Question 34 of 74Question 341 Point
Complete the following half equation for a reaction the cathode during electrolysis of molten zinc chloride. Zn²⁺ + ….. → Zn
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Question 35 of 74Question 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 74Question 361 Point
During electrolysis which electrode do anions and cations migrate to?
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Question 37 of 74Question 371 Point
Place the metals in the correct order – from highest to lowest reactivity
- Potassium
- Magnesium
- Gold
- Iron
View Answers:
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Question 38 of 74Question 381 Point
Which of the following is the correct description of the reactivity of metals?
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Question 39 of 74Question 391 Point
Copper can be purified using electrolysis of copper sulfate solution. For this process, we use the setup in the image below. Complete the half equation for the reaction at the anode. Cu → ….. + …..
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Question 40 of 74Question 401 Point
Which of the following is a typical property of transition metals?
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Question 41 of 74Question 411 Point
Which process results in the corrosion of metals?
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Question 42 of 74Question 421 Point
Select all methods that prevent rusting of iron.
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Question 43 of 74Question 431 Point
Use some of the following answers to fill in the blanks:
Appearance, hardness, weight, conductivity-
Electroplating is used to improve the and resistance to corrosion of metal objects.
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Question 44 of 74Question 441 Point
Why does converting pure metals into alloys often increase the strength of the product?
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Question 45 of 74Question 451 Point
Iron is alloyed with other metals to produce alloy steels in order to:
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Question 46 of 74Question 461 Point
Match each metal or alloy to its typical use.
- Aircraft manufacturing
- Jewellery
- Aluminium
- Gold
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Question 47 of 74Question 471 Point
Which piece of apparatus is used to accurately measure 25.0 cm³ of alkali in a titration?
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Question 48 of 74Question 481 Point
Calculate the percentage yield if the theoretical yield is 10 grams and the actual yield is 8 grams.
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Question 49 of 74Question 491 Point
Select all reasons why the actual yield of a reaction is less than the theoretical yield.
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Question 50 of 74Question 501 Point
The atom economy of a reaction is:
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Question 51 of 74Question 511 Point
At room temperature and pressure, one mole of any gas occupies a volume of:
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Question 52 of 74Question 521 Point
The Haber process is a reversible reaction between nitrogen and hydrogen to form ____.
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Question 53 of 74Question 531 Point
Select all factors that affect the rate of attainment of equilibrium.
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Question 54 of 74Question 541 Point
Fertilisers often contain compounds of which three elements?
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Question 55 of 74Question 551 Point
Ammonia reacts with nitric acid to produce which salt used as a fertiliser?
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Question 56 of 74Question 561 Point
In industrial production, ammonium sulfate is produced on a larger scale and involves:
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Question 57 of 74Question 571 Point
A chemical cell produces a voltage until:
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Question 58 of 74Question 581 Point
In a hydrogen–oxygen fuel cell, hydrogen and oxygen react to produce:
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Question 59 of 74Question 591 Point
Select all strengths of fuel cells.
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Question 60 of 74Question 601 Point
Sacrificial protection involves:
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Question 61 of 74Question 611 Point
Electroplating is a process that involves:
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Question 62 of 74Question 622 Points
Use some of the following answers to fill in the blanks:
Layers, slide, grains, melt-
In alloys, different sized atoms make it harder for to over each other.
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Question 63 of 74Question 631 Point
Match each metal to its typical property.
- Lightweight and strong
- Excellent electrical conductivity
- Magnalium
- Copper
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Question 64 of 74Question 641 Point
What is the volume of 2 moles of gas at room temperature and pressure?
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Question 65 of 74Question 651 Point
According to Avogadro’s law, equal volumes of gases at the same temperature and pressure contain:
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Question 66 of 74Question 661 Point
Select all factors considered when choosing a reaction pathway to produce a specified product.
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Question 67 of 74Question 671 Point
Which factor is NOT considered when choosing conditions for industrial reactions?
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Question 68 of 74Question 681 Point
In the Haber process, conditions are chosen to produce an acceptable yield in an acceptable time by controlling:
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Question 69 of 74Question 692 Points
Use some of the following answers to fill in the blanks:
Oxygen, water, rust, hydrogen-
The rusting of iron can be prevented by excluding and .
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Question 70 of 74Question 701 Point
Covalent compounds typically form between which two types of material?
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Question 71 of 74Question 711 Point
How many atoms of potassium (group 1) are needed to bond ionically with oxygen (group 6)?
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Question 72 of 74Question 722 Points
Metals and non-metals often have opposite properties. Drag and drop to match the typical property with the correct type of material.
- Metals
- Non-metals
- Good conductors of electricity
- Good insulators of electricity
- Shiny
- Dull in colour
- Metals
- Non-metals
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Question 73 of 74Question 731 Point
Most ionic bonds are formed between which groups?
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Question 74 of 74Question 741 Point
Oxygen is in group 6 and fluorine is in group 7. How many fluorine atoms bond with one oxygen atom?
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Edexcel Chemistry Paper 1
In this paper, knowledge of the various states of matter as well as the ways to separate materials from each other. This includes an introduction to the concepts of elements, compounds and mixtures. The overarching goal of this paper is for students to achieve a level of chemical literacy that will serve them throughout life and during A-level studies.
In SC3, students are tested on the structure of atoms as well as what makes an element unique and also the isotopes that exist in nature. SC4 links SC3 with an understanding of the Periodic Table and electronic configurations. SC5, SC6 and SC8 ask students about how various chemicals bond and how this is related to their properties and characteristics. SC8 quizzes students on their knowledge of acids and alkalis including the basics and more in-depth topics like neutralisation. SC9 tests students’ ability to carry out accurate calculations involving masses. SC10, SC11, SC12 and SC13 are an extension of the materials science section whereby students are asked to explain the process of electrolysis, how metals are obtained and used and also how reversible reactions take place. The final topics, SC14, SC15 and SC16 aim to test for quantitative analysis skills and understanding of dynamic equilibria and how fuel cells work.
If you would like to try another Edexcel Quiz why not try out the first biology paper, Edexcel GCSE Biology Paper 1.
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