Chemistry 9-1 0971: Air and Water Topical Past Paper Questions
Cambridge IGCSE Chemistry 9-1 (0971) past-paper questions on Air and Water, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Iron nails rust slowly in the presence of water and air. When an iron nail rusts, insoluble solid hydrated iron(III) oxide forms. The solid hydrated iron(III) oxide falls off the iron nail. The rusting of iron nails is slowed down by coating the nails with oil or paint. Plan an i…
The three states of matter are solid, liquid and gas. (a) Complete Table 1.1 to describe the structures of solids, liquids and gases in terms of particle separation, particle arrangement and particle motion. Table 1.1 (b) Substances can physically change. Name each physical chang…
When a mixture of calcium hydroxide and ammonium chloride is heated, ammonia gas is made. calcium hydroxide + ammonium chloride $ \rightarrow $ calcium chloride + water + ammonia Ammonia gas is soluble in water and toxic. Ammonia gas reacts with hot copper(II) oxide to make nitro…
Sign in required
Full Air and Water question set, mark schemes and AI worksheets
Log in for the full topic-segregated question set, mark schemes, and AI worksheets built from every Chemistry 9-1 past paper. New accounts start with 25 free credits.
Explore all Chemistry 9-1 topics
All Chemistry 9-1 topics