Question

What type of reactions are they:

1)Aluminium + Copper chloride = Aluminium chloride + copper

2)Calcium hydroxide + carbon dioxide = calcium carbonate + water

3) Magnesium + hydrochloric acid = Magnesium chloride + hydrogen

4) Barium chloride + potassium sulphate = barium sulphate + potassium chloride.

Answer 1

Answer:

1) Displacement Reaction

2) Redox Reaction

3) Displacement Reaction

4) Double-displacement Reaction

Explanation:

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Answer 2

Answer:

(1) displacement reaction

(2)redox reaction

(3)displacement reaction

(4)double displacement