CAIE IGCSE Chemistry Reactivity with Water Steam and Acids

Practise comparing metals through cold-water, steam and dilute-acid reactions, predicting products and balancing equations with observations and state symbols.

Exam points

predict hydroxide and hydrogen for reactive metals with cold water and describe the observations
predict metal oxide and hydrogen for the specified metals reacting with steam
use reaction speed or no reaction with dilute acid to place a metal relative to hydrogen

[Maximum number: 2]

Iron is a transition element. Potassium is a Group I element.

(a)

Chemical properties of some Group I elements are shown in the table.

Table for Question (a) — CAIE IGCSE Chemistry

[ 2 ]

(i)

Name the gas produced when Group I elements react with water.

[ 1 ]

(ii)

Name the solution formed when potassium reacts with water.

[ 1 ]

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9.4.2—Reactions of metals with question 1

Question (a)

Question (i)

Question (ii)