Science Coordinate 0654: C4. Stoichiometry Topical Past Paper Questions
Cambridge IGCSE Science Coordinate (0654) past-paper questions on C4. Stoichiometry, free. This topic is frequently 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) Ammonia is manufactured in the Haber process. r is $ \rightarrow $cess. Fig. 8.1 (i) Gas Y is obtained from the reaction of methane with steam. State the name of gas Y. [1] (ii) State the temperature and pressure used in the reactor. temperature ..... $ ^{\circ} $C pressure .…
Sign in required
Full C4. Stoichiometry question set, mark schemes and AI worksheets
Log in for the full topic-segregated question set, mark schemes, and AI worksheets built from every Science Coordinate past paper. New accounts start with 25 free credits.
Explore all Science Coordinate topics
All Science Coordinate topics