GCSE Chemistry Mock Paper 1
A free GCSE Chemistry mock paper on atomic structure, bonding, quantitative chemistry, acids, electrolysis, rates, organic chemistry and analysis. Instant marking with worked answers.
- Time allowed
- 40 minutes
- Total marks
- 39
- Calculator
- Allowed
Instructions
- You may use a calculator.
- Relative atomic masses: H = 1, C = 12, O = 16, Na = 23, S = 32.
- Type only the number for calculations.
- Longer answers are marked by you against a mark scheme after you finish.
Suitable for AQA, Edexcel, OCR. Written by MockNine; not an official exam board paper.
Your result
| Topic | Progress | Marks |
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The estimated grade uses typical grade boundaries. Real boundaries are set after each exam and change every year. Scroll down to see a worked answer under every question.
1
(a)What is the relative charge of a proton?
(b)Sodium has 11 electrons. Write its electronic configuration (e.g. 2,8,3).
(c)What is the name given to the elements in Group 1?
(d)Why are the noble gases (Group 0) unreactive?
2
(a)Calculate the relative formula mass (Mr) of carbon dioxide, CO₂.
(b)Calculate the relative formula mass (Mr) of sulfuric acid, H₂SO₄.
(c)How many moles are in 88 g of carbon dioxide?
(d)Balance the equation: __ Mg + O₂ → 2 MgO. What number goes in front of Mg?
3
(a)What type of bonding is found in sodium chloride?
(b)What type of bonding is found in methane, CH₄?
4
(a)What is the pH of a neutral solution?
(b)What is the name of the reaction between an acid and an alkali?
(c)Name the salt formed when hydrochloric acid reacts with sodium hydroxide.
(d)Which metal would displace copper from copper sulfate solution?
5
(a)Molten lead bromide is electrolysed. Name the product at the negative electrode (cathode).
(b)Name the product at the positive electrode (anode).
6
(a)In an exothermic reaction, what happens to the temperature of the surroundings?
(b)Which change would increase the rate of a reaction?
(c)A reaction produces 60 cm³ of gas in 30 s. Calculate the mean rate of reaction.
7
(a)Propane is an alkane with 3 carbon atoms. What is its formula?
(b)Bromine water is added to an alkene. What colour does it turn?
8
(a)Name the solution used to test for carbon dioxide.
(b)Which test result shows that a gas is hydrogen?
(c)In paper chromatography, a spot moves 3 cm and the solvent moves 6 cm. Calculate the Rf value.
9
Explain why metals are good conductors of electricity and why they can be bent into shape.
10
Describe how to make pure, dry crystals of copper sulfate from copper oxide and dilute sulfuric acid.
END OF QUESTIONS