Chemistry
Write word equations for the following skeletal equations:
(a) KClO3 ⟶ KCl + O2
(b) Zn + HCl ⟶ ZnCl2 + H2
(c) FeCl2 + Cl2 ⟶ FeCl3
(d) CO + O2 ⟶ CO2
(e) Ca + O2 ⟶ CaO
(f) Na + O2 ⟶ Na2O
(g) NaOH + H2SO4 ⟶ Na2SO4 + H2O
(h) AgBr ⟶ Ag + Br2
(i) KNO3 ⟶ KNO2 + O2
(j) FeS + 2HCl ⟶ FeCl2 + H2S
(k) Na2CO3 + 2HCl ⟶ 2NaCl + H2O + CO2
(l) 2H2 + O2 ⟶ 2H2O
(m) Na2O + H2O ⟶ 2NaOH
Chemical Equation
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Answer
(a) Potassium chlorate ⟶ Potassium chloride + Oxygen (gas)
(b) Zinc + Hydrochloric acid (dil.) ⟶ Zinc chloride + Hydrogen (gas)
(c) Ferrous chloride + Chlorine ⟶ Ferric chloride
(d) Carbon monoxide + Oxygen ⟶ Carbon dioxide
(e) Calcium + Oxygen ⟶ Calcium oxide
(f) Sodium + Oxygen ⟶ Sodium oxide
(g) Sodium hydroxide + Sulphuric acid ⟶ Sodium sulphate + Water
(h) Silver bromide ⟶ Silver + Bromine
(i) Potassium nitrate ⟶ Potassium nitrite + Oxygen (gas)
(j) Iron sulphide + Hydrochloric acid (dil.) ⟶ Iron chloride + Hydrogen sulphide (gas)
(k) Sodium carbonate + Hydrochloric acid (dil.) ⟶ Sodium chloride + Water + Carbon dioxide (gas)
(l) Hydrogen + Oxygen ⟶ Water
(m) Sodium oxide + Water ⟶ Sodium hydroxide
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Related Questions
Differentiate between Chemical reaction and chemical equation.
Differentiate between A balanced and a skeletal chemical equation.
Write your observations for the following chemical reactions and name the products formed:
(a) When sugar is heated.
(b) When manganese dioxide is added to potassium chlorate and heated.
(c) When dilute acetic acid is poured on baking soda.
(d) When an aqueous solution of sodium chloride is mixed with an aqueous solution of silver nitrate.
(e) When ammonium chloride is heated with sodium hydroxide.
(f) When water is added to quick lime.
What information do you get from the equation
H2 + Cl2 ⟶ 2HCl?