Chemistry
State one observation : A zinc granule is added to copper sulphate solution.
Related Questions
Identify the anion present in the following compounds :
(i) Compound X on heating with copper turnings and concentrated sulphuric acid liberates a reddish brown gas.
(ii) When a solution of compound Y is treated with silver nitrate solution a white precipitate is obtained which is soluble in excess of ammonium hydroxide solution.
(iii) Compound Z which on reacting with dilute sulphuric acid liberates a gas which turns lime water milky, but the gas has no effect on acidified potassium dichromate solution.
(iv) Compound L on reacting with Barium chloride solution gives a white precipitate insoluble in dilute hydrochloric acid or dilute nitric acid.
State one chemical test between each of the following pairs :
(i) Sodium carbonate and Sodium sulphite
(ii) Ferrous nitrate and Lead nitrate
(iii) Manganese dioxide and Copper (II) oxide
Give balanced equation for the reaction :
Silver nitrate solution and Sodium chloride solution.
Give a chemical test to distinguish between :
(i) NaCl soln. and NaNO3 soln.
(ii) HCl gas and H2S gas.
(iii) Calcium nitrate soln. and zinc nitrate soln.
(iv) Carbon dioxide gas and sulphur dioxide gas.