Chemistry
Distinguish the following by your observations:
(a) Calcium nitrate solution and zinc nitrate solution (using NH4OH).
(b) Sodium carbonate and sodium sulphite (using HCl).
Related Questions
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.
Draw the structure of the stable positive ion formed when sulphuric acid dissolves in water.
A cylinder contains 68 g of Ammonia gas at STP
(i) What is the volume occupied by this gas?
(ii) How many moles of ammonia are present in the cylinder?
(iii) How many molecules of ammonia are present in the cylinder?
The structures of some organic compounds are given :

(a) Identify the isomers among the structures given above.
(b) State the members of the homologous series which are not isomers.
(c) Write the I.U.P.A.C. name of C.