Sciences Co-ordinated 9-1 0973: C1 - States of matter Topical Past Paper Questions
Cambridge IGCSE Sciences Co-ordinated 9-1 (0973) past-paper questions on C1 - States of matter, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigates the reaction between dilute hydrochloric acid and aqueous sodium thiosulfate. A yellow solid, sulfur, is made in the reaction. (a) Complete the state symbol for sulfur, S, in the balanced symbol equation. $$ \mathrm{Na}_{2}\mathrm{S}_{2}\mathrm{O}_{3}(\math…
(a) The element calcium is represented on the Periodic Table as shown. The symbol for a calcium ion is $ Ca^{2+} $. (i) State the number of protons in this calcium ion. [1] (ii) State the number of electrons the calcium atom loses when it becomes a calcium ion. [1] (b) Calcium ca…
A student measures the density of water using two different methods. ## Method 1 (a) The student measures the mass $m_{1}$ of an empty measuring cylinder using a top-pan balance. Fig. 7.1 shows the reading on the balance. Fig. 7.1 Record the reading on the balance to the nearest…
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