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Explain , giving , examples , the following terms : hydroxide ; hydrosulphide ; acid salt ; normal salt ; : basic salt . 2. What substances are formed by the action of nitric acid on the following : ( a ) tin ; ( 6 ) copper ...
Explain , giving , examples , the following terms : hydroxide ; hydrosulphide ; acid salt ; normal salt ; : basic salt . 2. What substances are formed by the action of nitric acid on the following : ( a ) tin ; ( 6 ) copper ...
Pagina
( 6 ) Explain the etching of glass by hydrofluoric acid . 7. ( a ) Give the names and formulas of the principal salts of silver . ( 6 ) Explain the " fixing ” of a photograph . 8. ( a ) Describe shortly a method for preparing nitric ...
( 6 ) Explain the etching of glass by hydrofluoric acid . 7. ( a ) Give the names and formulas of the principal salts of silver . ( 6 ) Explain the " fixing ” of a photograph . 8. ( a ) Describe shortly a method for preparing nitric ...
Pagina
Give the chemical formula of each acid and a list of the rocks characterized by the presence of each . 6. Classify and describe as fully as you can the varions substances thrown out by volcanoes . 7. Describe ( 1 ) the chemical ...
Give the chemical formula of each acid and a list of the rocks characterized by the presence of each . 6. Classify and describe as fully as you can the varions substances thrown out by volcanoes . 7. Describe ( 1 ) the chemical ...
Pagina
( a ) What are sulphonic acids ? ( 6 ) What substances are formed by the action of nascent hydrogen on them ? ( c ) By what reactions can benzene - disulphonic acid be transformed into the corresponding phthalic acid ! 5.
( a ) What are sulphonic acids ? ( 6 ) What substances are formed by the action of nascent hydrogen on them ? ( c ) By what reactions can benzene - disulphonic acid be transformed into the corresponding phthalic acid ! 5.
Pagina
( c ) What substances are formed by the action of nitrous acid on glycocoll ? 3. Describe the chemical actions which establish the relations between succinic and i808uccinic acids . 4. What reactions serve to distinguish ( a ) between ...
( c ) What substances are formed by the action of nitrous acid on glycocoll ? 3. Describe the chemical actions which establish the relations between succinic and i808uccinic acids . 4. What reactions serve to distinguish ( a ) between ...
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