Identification of Salts

PAKTURK INTERNATIONAL SCHOOL & COLLEGES ISLAMABAD SUBJECT:CHEMISTRYMARKS: 25 slow down out:10-O Level TIME: 40 Min. ATTEMPT entirely THE QUESTIONS ON YOUR ANSWERSHEETS WITH NEAT PRESENTATION. Q.No.1:Choose the most suitable answer. 1.An extravagance of stretch along sulphuric acrid reacts with both sedimentary atomic number 56 hydroxide and aqueous barium chloride. In what vogue the two reactions be same? A. a gas is produced. B. an insoluble salt is produced. C. The final examination examination pH is 7. D. pissing is produced. 2.Which salt could be prepared by a method acting involving crystallization as a final stage? A. barium sulphate B. calcium carbonate C. silver chloride D. sodium process 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 supply D. iron 4.In which reaction is dilute sulphuric acid not 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 table complete the following description of the preparation of pig bed (II) sulphate? An excess copper (II) oxide was added to dilute sulphuric acid. Th mixture was __1___ to remove the excess of oxide.

The solution was __2 ___ to half its garishness and then cooled! , so that it __3___. | |1 |2 |3 | |A |distilled |evaporated |crystallized | |B |distilled |filtered |evaporated | |C |filtered...If you want to get a full essay, order it on our website: OrderEssay.net

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