Describe the reaction of potassium with water. Write the equation of the reaction involved. (b)Write an equation of the reaction of iron with steam. Indicate the physical states of all the reactants and products. (c)Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
ChemistryClass 10ICSEAnswered 27 Mar 2026
Answer
- Potassium reacts with cold water vigorously and forms potassium hydroxide and hydrogen 2K(s) + 2H2O(l) → 2KOH(aq) + H2(g) + Heat
- 2Fe(s) + 4H2O(g) → Fe3O4(s) + 4H2(g)
- Hydrogen gas is produced when dilute hydrochloric acid is added to reactive