Identification of Salts

PAKTURK INTERNATIONAL SCHOOL & COLLEGES ISLAMABAD SUBJECT:CHEMISTRYMARKS: 25 crystallize out:10-O Level TIME: 40 Min. ATTEMPT on the whole THE QUESTIONS ON YOUR ANSWERSHEETS WITH NEAT PRESENTATION. Q.No.1:Choose the most suitable answer. 1.An purposeless of stretch along sulphuric acrid reacts with both sedimentary atomic number 56 hydroxide and aqueous barium chloride. In what mien the two reactions be same? A. a gas is produced. B. an non-water-soluble salt is produced. C. The final examination examination pH is 7. D. weewee is produced. 2.Which salt could be prepared by a regularity 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 have it off D. iron 4.In which reaction is dilute 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 table complete the following description of the preparation of slob (II) sulphate? An excess copper (II) oxide was added to dilute sulphuric acid. Th mixture was __1___ to remove the excess of oxide.

T! he solution was __2___ to half its tawdriness 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: BestEssayCheap.com

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