A: Nitroso Iron [II} sulphate B: Iron [III] chloride C: Chromium sulphate D: Lead [II} chloride E: Sodium chloride. Select from A, B, C, D & E. [i] A compound soluble in hot water but insoluble in cold water [ii] A compound which in the aq. Soln. state, is neutral in nature

Select from the list given (A to E) one substance in each case which matches the description given in parts (i) to (v). (Note: Each substance is used only once in the answer. (A) Nitroso iron (II) sulphate (B) Iron (III) chloride (C) Chromium sulphate (D) Lead (II) chloride (E) Sodium chloride (i) A compound which is yellow brown. (ii) A compound which is insoluble in cold water, but soluble in hot water. (iii) The compound responsible for the brown ring during the ring test of nitrate ion. (iv) A compound whose aqueous solution is neutral in nature. (v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution.

Name : (a) a chloride which is insoluble in cold water but dissolves in hot water, (b) a chloride which is insoluble, (c) two sulphates which are insoluble.

Select from the below given (a) and (b) one substances in each case which matches the description. (a) Lead (II) Chloride (b) Sodium Chloride A compound which is insoluble in cold water, but soluble in hot water.

Name three (i) sulphates (ii) Chloride insoluble in water and- two (i) oxides (ii) carbonates soluble in water

The questions below refer to the following salt solutions listed A to F:- A: Copper nitrate B: Iron [II] sulphate C: Iron [III] chloride D: Lead nitrate E: Magnesium sulphate F: Zinc chloride. i) Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution. [i.e. white ppt. insoluble in dil. HCI] ii) Which two solutions will give a white ppt. when treated with dil. HNO_3 & AgNO_3 soln. iii) Which soln. will give a white ppt. when either dil. HCl or dil. H_2SO_4 , is added to it. iv) Which soln. becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it. v) Which solution gives a white precipitate with excess ammonium hydroxide solution.

Match each substance A to E listed below with the appropriate description given below : (A) sulphur (B) Silver chloride C Hydrogen chloride D Copper [II] Sulphate E] Graphite. (i) A covalent compound which behaves like an ionic compound in aqueous solution . (ii) A compound which is insoluble in cold water but soluble in excess of ammonia solution.

Select from the below given (a) and (b) one substances in each case which matches the description. (a) Lead (II) Chloride (b) Sodium Chloride A compound whose aqueous solution is neutral in nature.

Write a balanced chemical equation with state symbols for the following reactions. (i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride. (ii) Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

Select from the list - Ammonia , Copper oxide ,Copper sulphate ,Hydrogen chloride,Hydrogen sulphide , Lead bromide :The compound which is not a metal hydroxide but its aqueous solution is alkaline in nature .

A] Sulphur B] Silver chloride C] Hydrogen chloride D] Copper [II] Sulphate E] Graphite. State which from A to E fits the description - 'A pink metal is deposited at the cathode during the electrolysis of the soln, of this salt '