Science Coordinate 0654: C13. Carbonates Topical Past Paper Questions
Cambridge IGCSE Science Coordinate (0654) past-paper questions on C13. Carbonates, free. This topic is regularly examined across 23 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student determines the value of x in the formula of washing soda, $ \mathrm{Na}_{2}\mathrm{CO}_{3} \cdot x\mathrm{H}_{2}\mathrm{O} $. When washing soda crystals are heated, they release water from the crystals. The crystals form dry sodium carbonate powder as shown in the equat…
Iron is extracted from hematite by reduction of iron(III) oxide in a blast furnace. (a) Iron(III) oxide reacts with carbon monoxide. Complete the equation for the reduction of iron(III) oxide. $$ \mathrm{Fe}_{2}\mathrm{O}_{3}+3\mathrm{CO}\rightarrow\cdots\cdots\cdots\cdots\cdots…
A student investigates the reaction between calcium carbonate and dilute hydrochloric acid. The student does the experiment using three different sets of conditions, A, B and C. All other variables are kept the same. Fig. 8.1 shows the three sets of conditions. Fig. 8.1 (a) State…
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