Combined Science: Trilogy 8464: C10.Using Resources Topical Past Paper Questions
AQA GCSE Combined Science: Trilogy (8464) past-paper questions on C10.Using Resources, free. This topic is frequently examined across 7 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The Earth’s natural resources are used to manufacture useful products. One useful product is potable water. Potable water can be produced from sea water by distillation. 1 Give one disadvantage of using distillation to produce potable water. [1 mark] 2 Describe one other method t…
Some types of water contain dissolved substances. A student investigated the mass of dissolved solids in distilled water and in sea water. Figure 1 shows the apparatus. Figure 1 This is the method used. 1. Weigh an evaporating basin. 2. Add 20 cm $ ^{3} $ of distilled water to th…
1 Water that is safe to drink is called potable water. Compare how easily potable water can be obtained from: • waste water (sewage) • ground water (fresh water). [6 marks] A scientist produced potable water from $ 150 \, cm^{3} $ of salty water. 2 Which process can be used to pr…
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