Last seen: Sep 10, 2021
The symbol equations in balanced form for the reactions are: (a) BaCl2(aq) + Na2SO4(aq) ➝ BaS04(s)+ 2NaCl(aq) (b) NaOH(aq) + HCl(aq) ➝ NaCl(aq) + ...
The balanced equations are written as: (a) H2 + Cl2 ➝ 2HCl (b) 3BaCl2 + Al2(SO4)3 ➝ 3BaSO4 + 2AlCl3 (c) 2Na + 2H2O ➝ 2NaOH + H2
Magnesium is a reactive metal. When it is exposed to atmosphere for longer time, the oxygen present in the atmosphere combines and MgO is formed on th...
(a) Silver. (b) Chlorine. (c) Silver chloride. (d) Silver nitrate and Sodium chloride. (e) Decomposition reaction; 2AgCl(s) + Light + Decomp...
(a) Copper. (b) Silver nitrate. (c) Silver. (d) Copper nitrate. (e) Displacement reaction.
(a) Copper sulphate. (b) Blue colour. (c) Copper sulphide. (d) CuSO4 (aq) + H2S(g) → CuS (s) + H2SO4 (aq) (e) Double displacement reaction.
(a) Metal X : Copper; Metal Y : Sodium (b) Copper sulphate, CuSO4 (c) Sodium sulphate, Na2SO4 (d) Barium sulphate, BaSO4 (e) Copper chloride, ...
(a) Silver (Ag) (b) Silver nitrate (AgNO3) (c) Silver chloride (AgCl) (d) AgNO3(aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq) (e) Double displacemen...
(a) Copper (Cu) (b) Hydrogen (H2) (c) Copper oxide (CuO) (d) Water (H2O) (e) CuO + H2 → Cu + H2O (f) Displacement reaction (which is also a ...
(a) Metal X is Zinc (Zn). (b) Metal Y is Copper (Cu). (c) The metal salt YSO4 is Copper sulphate (CuSO4) (d) Displacement reaction; CuSO4 (a...
(a) Combination reaction. (b) Decomposition reaction.
(a) Lead nitrate. (b) Nitrogen dioxide. (c) 2Pb(NO3)2 + Heat + Decomposition → 2PbO(s) + 4NO2 (g) + O2 Lead Nitrate Lead monoxide Nitrogen D...
(a) Ferrous sulphate. (b) Decomposition reaction. (c) 2FeSO4 + Heat + Decomposition → Fe2O3 + SO2 + SO3
(a) When barium chloride solution is added to sodium sulphate solution, then a white precipitate of barium sulphate is formed along with sodium chlori...
(a) The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called rancidity. It spoils the food ...
(a) Corrosion is the process in which metals are eaten up gradually by the action of air, moisture or a chemical (such as an acid) on their surface. R...
When a strip of zinc metal is placed in copper sulphate solution, then zinc sulphate solution and copper are obtained. (a) CuSO4(aq) + Zn → ZnSO4 + ...
When silver chloride is exposed to light, it decomposes to form silver metal and chlorine gas. 2AgCl(s) + Light + Decomposition → 2Ag(s) + Cl2(g) ...
When silver nitrate solution is added to sodium chloride solution, then a white precipitate of silver chloride is formed along with sodium nitrate sol...
(a) H2 (b) CuO (c) CuO (d) H2