(iv)A solution of silver nitrate reacts with a solution of potassium phosphate to produces a yellow precipitate of silver phosphate and a solution of potassium nitrate.
(v) Brown nitrogen dioxide gas combines with water to produce a mixture of nitric acid and nitrous acid
(vi) Lithium hydroxide is used in space missions to remove carbon dioxide from the air. Lithium carbonate and water are produced.
1. Carbon dioxide Marble dissolves in hydrochloric acid to give calcium chloride water and carbon dioxide
2. Silver nitrate reacts with copper to produce copper nitrate and silver metal
3. Carbon dioxide gas is passed over lime water to form a precipitate of calcium carbonate
4. Aluminium Sulphate acts with Sodium Hydroxide to form precipitate of aluminium hydroxide and the solution of sodium sulphate
5. Barium Chloride solution reacts with sulphuric acid to form precipitate of Barium sulphate and solution of hydrochloric acid.
i) Zinc Sulphide + Oxygen gas → Zinc oxide solid + Sulphur dioxide gas
ii) Silver nitrate solution + Sodium chloride solution → Silver chloride precipitate + Sodium nitrate solution
iii) Sulphur solid + Concentrated nitric acid → Sulphuric acid + Nitrogen dioxide gas + Water
iv) Barium chloride Solution + Potassium sulphate Solution → Barium sulphate Precipitate + Potassium chloride solution
v) Silver nitrate on heating→ silver metal + nitrogen dioxide gas + Oxygen gas.
vi) Aluminium hydroxide + Nitric acid → Aluminium nitrate + Water.
Q Ques1. Translate the following statements into balanced chemical equations
a. Hydrogen gas combines with nitrogen to form ammonia.
b. Hydrogen sulphide gas burns in air to give water and sulphur dioxide
c. Barium chloride reacts with ammonium sulphate to ammonium chloride and
precipitate(ppt) of barium sulphate
d. Potasium metals reacts with water to potassium hydroxide and hydrogen gas.
e. Iron fillings react with steam to produce iron (III) oxide and hydrogen gas.
f. Aluminum metal reacts with iron (II) oxide powder to produce aluminum oxide solid
and iron metal.
g. Ammonia gas (NH3) plus oxygen gas yields nitrogen monoxide gas plus water vapour
Calcium hydroxide solution and carbon dioxide gas yields solid calcium carbonate and
liquid water.
h.Aqueous iron (III) chloride and sodium carbonate solution yields aqueous sodium
chloride and a precipitate of iron (III) carbonate.
i.Solid iron (III) oxide and carbon monoxide gas yields iron metal and carbon dioxide
gas.
j.Magnesium carbonate solution plus aqueous hydrochloric acid (HCl) yields magnesium chloride solution plus liquid water and carbon dioxide gas
h.Silicon dioxide solid plus aqueous hydrofluoric acid (HF) yields solid silicon
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
(b) Write balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.
(i) Sodium chloride reacts with silver nitrate to give sodium nitrate and a precipitate of silver chloride.
(ii) Hydrogen gas combines with nitrogen to form ammonia.
(iii) Zinc carbonate decomposes to give zinc oxide and carbon dioxide.
(vi) Ammonia gas reacts with water to give ammonium hydroxide.(v) Copper (II) oxide on heating with hydrogen gas gives copper and water.