CBSE Class 10 Science
Question 8 of 28
Chemical Reactions and Equations — Question 8
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Question Question 8
Write the balanced chemical equation for the following and identify the type of reaction in each case.
(a) Potassium bromide (aq) + Barium iodide (aq) ⟶ Potassium iodide (aq) + Barium bromide (s)
(b) Zinc carbonate (s) ⟶ Zinc oxide (s) + Carbon dioxide (g)
(c) Hydrogen (g) + Chlorine(g) ⟶ Hydrogen chloride (g)
(d) Magnesium (s) + Hydrochloric acid (aq) ⟶ Magnesium chloride (aq) + Hydrogen(g)
(a) 2KBr (aq) + BaI2 (aq) ⟶ 2KI (aq) + BaBr2 (s)
Type — Double displacement reaction
(b) ZnCO3 (s) ⟶ ZnO (s) + CO2 (g)
Type — Decomposition reaction
(c) H2 (g) + Cl2 (g) ⟶ 2HCl (g)
Type — Combination reaction
(d) Mg (s) + 2HCl (aq) ⟶ MgCl2 (aq) + H2 (g)
Type — Displacement reaction