salts questions

Jul 16th, 2016
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salts questios

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Salts1.Study the flow chart below and answer the questions that follow:GasStep 1CopperBluesolution(1) Heat(2) Reagent ZStep 2BlueCrystalsStep 3HeatWhite Solid2.3.4.a) Name reagent Z.b) Describe the process which takes place in step 2.c) Identify the white solid.a) Starting from solid magnesium oxide, describe how a solid sample of magnesium hydroxidecan be prepared.b) Give one use of magnesium hydroxide.Starting with lead (II) oxide, describe how you would prepare a solid sample oflead (II) CarbonateStudy the diagram below and answer the questions that follow:(a) Name the two salts formed in tube A(b) State the observations made in tube C(c) Name gas P5.Study the information in the table below and answer the questions that follow:PARTICLEMASSNUMBEREFGH3732(iii)40NUMBEROFPROTONS17(ii)1920NUMBER OFNEUTRONSNUMBER OFELECTRONS(i)1620(iv)181618186.7.8.(a) Complete the table by filling in the blank spaces (i) , (ii) (iii), and (iv)(b) Identify the particles which are electrically chargedSodium Carbonate Decahydrate crystals were left exposed on a watch glass for two days.a) State the observations made

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