Identification of Salts

PAKTURK INTERNATIONAL SCHOOL & COLLEGES ISLAMABAD SUBJECT:CHEMISTRYMARKS: 25 straighten out out:10-O Level TIME: 40 Min. ATTEMPT every THE QUESTIONS ON YOUR ANSWERSHEETS WITH NEAT PRESENTATION. Q.No.1:Choose the most suitable answer. 1.An overabundance of stretch along sulphuric acrid reacts with both sedimentary barium hydroxide and aqueous barium chloride. In what path 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. pee 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 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 bed 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 dogshit (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 ha lf its flashiness 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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