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QUESTION 1
Acids react with metals according to the general equation:
Acid + metal salt + hydrogen gas
Write the following balanced chemical equations for the following reactions.
(i) Potassium +
Hydrochloric acid
(3 marks)
Potassium chloride + Hydrogen
(ii) Sodium
Sulphuric acid
Sodium sulphate
Hydrogen
(iii) Magnesium + Hydrochloric acid -
Magnesium hydroxide +
Hydrogen



Answer :

GinnyAnswer

Final answer:

Balanced chemical equations for acid and metal reactions.


Explanation:

Let's balance the chemical equations:

  1. (i) Potassium + Hydrochloric acid: 2K + 2HCl → 2KCl + H2
  2. (ii) Sodium + Sulphuric acid: 2Na + H2SO4 → Na2SO4 + H2
  3. (iii) Magnesium + Hydrochloric acid: Mg + 2HCl → MgCl2 + H2

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