Identification of Salts

PAKTURK INTERNATIONAL SCHOOL & COLLEGES ISLAMABAD effect:CHEMISTRYMARKS: 25 straighten out:10-O aim TIME: 40 Min. start out ALL THE QUESTIONS ON YOUR ANSWERSHEETS WITH unclouded PRESENTATION. Q.No.1:Choose the most desirable answer. 1.An excess of stretch along sulphuric acrid reacts with both aqueous barium hydrated oxide and aqueous barium chloride. In what way the two reactions be same? A. a go down on is produced. B. an insoluble salt is produced. C. The last-place examination examination pH is 7. D. Water is produced. 2.Which salt could be prepared by a method involving crystallization as a final stratum? A. barium sulphate B. calcium carbonate C. plate chloride D. sodium nitrate 3.An piece X forms a hydroxide, which dissolves, both in acids and in alkalis. What could X be? A. aluminium B. calcium C. pig bed D. iron 4.In which reaction is cut down sulphuric acid non behaving as an acid? A. H2SO4 + 2NaOH ((((( Na2SO4 + 2H2O B. H2SO4 + BaCl2 ((((( BaSO4 + 2HCl C. H2SO4 + CuO ((((( CuSO4 + H2O D. H2SO4 + Mg ((((( MgSO4 + H2 5.Which words in the slacken complete the following explanation of the preparation of copper (II) sulphate? An excess copper (II) oxide was added to subvert sulphuric acid. Th mixture was __1___ to remove the excess of oxide.

The etymon was __2___ to half its garishness and then cooled, so that it __3___. | |1 |2 |3 | |A |distilled |evaporated | crystallised | |B |distilled |filtered |evaporated | |C |filtered...If you sine qua non to get a all-embracing essay, order it on our website: Ordercustompaper.com

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