Answers section
Questions 5.3
- State one similarity in products between reaction of metal with water and reaction of metal with steam. ----------------------------------------
- Identify one difference in products between reaction of metal with steam and reaction of metal with water ----------------------------------------------------------------
- Write word equations for the reaction between
- magnesium and steam ------------------
- sodium and steam ----------------------------------
- potassium and steam ----------------------------------
- calcium and steam ------------------------------------
- Write a general equation for the reaction between metal and steam. ----------
Answers to Questions 5.3
- In both cases, hydrogen gas is produced.
- With water, a basic solution of metal hydroxide is formed. With steam, white solid (powder) metal oxides are formed.
- Magnesium + Steam ⟶ Magnesium oxide + Hydrogen
- Sodium + Steam ⟶ Sodium oxide + Hydrogen
- Potassium + Steam ⟶ Potassium oxide + Hydrogen
- Calcium + Steam ⟶ Calcium oxide + Hydrogen
- Metal + Steam ⟶ Metal oxide + Hydrogen