Chemistry
State one appropriate observation when :
(a) Copper sulphide is treated with dilute hydrochloric acid.
(b) A few drops of dil. HCl are added to AgNO3 solution. followed by addition of NH4OH solution.
(c) Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
(d) A small piece of zinc is added to dilute hydrochloric acid.
(e) Dilute HCl is added to sodium carbonate crystals.
(f) Concentrated HCl is added to manganese dioxide.
Related Questions
Write the balanced equations for the reaction of dilute hydrochloric acid with each of the following:
(a) Iron
(b) Sodium hydrogen carbonate
(c) Iron (II) sulphide
(d) magnesium sulphite
How would you distinguish between dilute HCl and dilute HNO3, by addition of only one solution.
Write balanced chemical equations for the following :
(a) Sodium thiosulphate is reacted with dilute hydrochloric acid.
(b) Calcium bicarbonate reacts with dilute hydrochloric acid.
(c) Conc. hydrochloric acid and potassium permanganate solution.
(d) Action of dilute hydrochloric acid on sodium sulphide.
(e) Action of hydrochloric acid on sodium bicarbonate.
Give balanced equations with conditions, if any, for the following conversions A to D.
A : Sodium Chloride ⟶ Hydrogen Chloride
B : Hydrogen Chloride ⟶ Iron (II) chloride
C : Hydrogen Chloride ⟶ Ammonium chloride
D : Hydrogen Chloride ⟶ Lead chloride.