Pearson Edexcel International GCSE Chemistry (4CH1) · EDEXCEL 4CH1
2 Inorganic chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Inorganic chemistry
- A student has four separate solutions, each containing one of the following ions: Fe²⁺, Fe… (4 marks, Describe)
- Describe the natural greenhouse effect and explain why an increase in the concentration of… (4 marks, Describe and Explain)
- Methane and carbon dioxide are both described as greenhouse gases. Describe the greenhouse… (4 marks, Describe)
- Iodine is a halogen in Group 7 of the periodic table. When iodine reacts with potassium me… (4 marks, Explain)
- Fluorine, chlorine, bromine and iodine are all halogens in Group 7. A student claims that … (4 marks, Explain)
- Chlorine, bromine and iodine are all halogens in Group 7 of the periodic table. Describe a… (4 marks, Describe and explain)
- A student investigates the reactivity of three metals — silver, aluminium and iron — by ad… (4 marks, Explain)
- Water vapour, carbon dioxide and methane are all described as greenhouse gases. State what… (4 marks, State and Explain)
- Iron can be protected from rusting by a process called sacrificial protection, in which a … (4 marks, Explain)
- Nitrogen makes up approximately 78% of the Earth's atmosphere, yet it is not classified as… (4 marks, Explain)
- Copper, zinc and magnesium are three metals found in the reactivity series. A student plac… (4 marks, Explain)
- Lead, carbon and gold are three substances found in the reactivity series. A student heats… (4 marks, Explain)
- A student investigates the extraction of metals from their oxides by heating each oxide wi… (4 marks, Explain)
- A student tests an unknown solution to identify the ions present. When sodium hydroxide so… (4 marks, Identify)
- A chemist is analysing a white powder suspected to contain either calcium ions, copper(II)… (4 marks, Describe)
- A student performs flame tests and chemical tests on three separate solutions, labelled X,… (4 marks, State)
- A student carries out tests on an unknown solution to identify the anions present. First, … (4 marks, State and Explain)
- Describe the trend in reactivity of the alkali metals as you go down Group 1, and explain … (4 marks, Describe and Explain)
- Lithium, sodium and potassium are all alkali metals. When sodium is added to water, it rea… (4 marks, State)
- Potassium is an alkali metal. When a small piece of potassium is placed on the surface of … (4 marks, State)
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