Chemistry
(a) Name the other ion formed when ammonia gas dissolves in water.
(b) Give one test that can be used to detect the presence of the ion produced.
(c) Name the gaseous product formed when dilute nitric acid is added to copper.
Related Questions
Study the figure given below and answer the questions that follow :
(i) Identify the gas Y.
(ii) What property of gas Y does this experiment demonstrate?
(iii) Name another gas which has the same property and can be demonstrated through this experiment.
Aluminium is obtained from alumina:
Answer the following :
(i) Electrolyte used
(ii) Write cathode reaction
(iii) Why anode is replaced
Write balanced equations for the following reactions:
(a) Preparation of ethyne from ethylene dibromide.
(b) Preparation of ester using carboxylic acid.
(c) Conversion of alkyl halide to ethene.
State your observations in each of the following:
(a) Dilute hydrochloric acid is added to calcium hydrogen carbonate.
(b) At the cathode, acidified aqueous copper sulphate solution is electrolysed with copper electrodes.
(c) Moist starch iodide paper is introduced into chlorine gas.
(d) Calcium hydroxide is heated with ammonium chloride crystals.