What happens when:(a) Sulphur dioxide gas reacts with water.(b) Red-hot iron reacts with steam.(c) Potassium oxide reacts with water(d) Magnesium reacts with very dilute nitric acid.(e) Sodium reacts with water
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Explanation:
(a) Sulphur dioxide gas reacts with water to form an acid called Sulfurous acid (H2SO3).
(b) When steam is passed over red hot iron, Fe2O3 and Hydrogen gas is produced.
(c) K2O is a basic oxide and reacts with water violently to produce the caustic potassium hydroxide.
(d) Magnesium reacts with very diluted nitric acid to form magnesium nitrate and hydrogen gas.
(e) Sodium reacts with water violently to release hydrogen gas.
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