Chemistry 0620: MAKING USE OF METALS Topical Past Paper Questions
Cambridge IGCSE Chemistry (0620) past-paper questions on MAKING USE OF METALS , free. This topic is frequently examined across 26 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
This question is about the effects of electricity on chemical substances. (a) Concentrated aqueous lithium bromide undergoes electrolysis when electricity is passed through it. The products are: * bromine gas at the anode * hydrogen gas at the cathode. > (i) Give the term used to…
Duralumin is an alloy containing a mixture of the metals aluminium, copper, magnesium and manganese only. Table 4.1 gives some information about the four metals in duralumin. Table 4.1 Plan an investigation to find the percentage by mass of aluminium in a sample of duralumin. You…
Iron ore contains iron(III) oxide, Fe₂O₃. A blast furnace is used to extract iron from Fe₂O₃. Equations for some of the reactions in the blast furnace are shown. equation 1 $ \mathrm{C} + \mathrm{O}_2 \rightarrow \mathrm{CO}_2 $ equation 2 $ \mathrm{CaCO}_3 \rightarrow \mathrm{Ca…
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