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... acids with ( a ) nitric , ( b ) sul- phuric and ( c ) hydrocyanic acid , noting resemblances and differences in chemical properties . 5. ( a ) Write the equation for the action of water on phosphorus tribromide . ( b ) Compare the ...
... acids with ( a ) nitric , ( b ) sul- phuric and ( c ) hydrocyanic acid , noting resemblances and differences in chemical properties . 5. ( a ) Write the equation for the action of water on phosphorus tribromide . ( b ) Compare the ...
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... acid and not alkaline , ( b ) not too acid , ( c ) strongly sat- urated with H2S , ( d ) warmed . 7. Give details for the treatment of the filtrate from the HS group , explaining difficulties that may be met . 8. How would you prepare a ...
... acid and not alkaline , ( b ) not too acid , ( c ) strongly sat- urated with H2S , ( d ) warmed . 7. Give details for the treatment of the filtrate from the HS group , explaining difficulties that may be met . 8. How would you prepare a ...
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... acid and boracic acid . 11. Explain the use of phosphor salt in detecting silica in minerals . 12. Determine the numbered specimens by means of the blowpipe . 1. What constitutes calcite a mineral species ? 2. What Mineralogy and ...
... acid and boracic acid . 11. Explain the use of phosphor salt in detecting silica in minerals . 12. Determine the numbered specimens by means of the blowpipe . 1. What constitutes calcite a mineral species ? 2. What Mineralogy and ...
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... acids compare with each other ? ( c ) How do weak differ from strong acids in this re- spect , and how is the difference explained ? 3. ( u ) What evidence is there for the theory that bodies are made up of extremely minute particles in ...
... acids compare with each other ? ( c ) How do weak differ from strong acids in this re- spect , and how is the difference explained ? 3. ( u ) What evidence is there for the theory that bodies are made up of extremely minute particles in ...
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... acid ? 5. ( a ) By what reactions could benzene - disulphonic acid be transformed into the corresponding di - carbonic acid , CH4 ( CO , H ) 2 ? 6 ( b ) If meta - phthalic acid were thus obtained , what conclusion could be drawn with ...
... acid ? 5. ( a ) By what reactions could benzene - disulphonic acid be transformed into the corresponding di - carbonic acid , CH4 ( CO , H ) 2 ? 6 ( b ) If meta - phthalic acid were thus obtained , what conclusion could be drawn with ...
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