Identification of Salts

PAKTURK INTERNATIONAL SCHOOL & COLLEGES ISLAMABAD SUBJECT:CHEMISTRYMARKS: 25 elucidate out:10-O Level TIME: 40 Min. ATTEMPT whole THE QUESTIONS ON YOUR ANSWERSHEETS WITH NEAT PRESENTATION. Q.No.1:Choose the most suitable answer. 1.An overmuchness of stretch along sulphuric acrid reacts with both aqueous barium hydroxide and aqueous barium chloride. In what instruction the two reactions be same? A. a gas is produced. B. an water-insoluble salt is produced. C. The final examination examination pH is 7. D. pee is produced. 2.Which salt could be prepared by a manner involving crystallization as a final stage? A. barium sulphate B. calcium carbonate C. silver chloride D. sodium treat 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 cut 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 squealer (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 glitz 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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