Question

hi. a
15. From the knowledge of activity series, name a metal which
shows the following properties
(i) It reacts readily with cold water
(ii) It displaces hydrogen from hot water
(iii) It displaces hydrogen from dilute HCl
(iv) It forms a base which is insoluble in water.
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Answer 1

Explanation:

Calcium forms Ca(OH)

2

which is insoluble in water

Reactivity series of metals

Order of reactivity Metal Reactions with water or steam

Second most reactive sodium (Na) vigorous reaction with cold water

Third most reactive calcium (Ca) less vigorous reaction with cold water

least reactive magnesium (Mg) slow reaction with cold water, vigorous with

Answer 2

Answer:

1.Sodium metal

2.Zinc metal

3.Sodium metal

4.Aluminium metal

Explanation:

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