রসায়ন প্রবেশ [খণ্ড-১] [সংস্করণ-২] | Rasayan Prabesh [Vol. 1] [Ed. 2]

COURSE CONTENT (d) Establishment of formulae of gases from their volumetric com- position (0 Determination of atomic weig- ht of eiements Numerical proble- 01) Gram molecule, gram molecular weight. Problems. 8 Simple calculations, from equa- tions of reacting weights of subs- ৷ tances and volumes of gases 9, Chlorine and its compeunds (1) (a) Sodium Chloride Prepar- ation and properties of hydrogen chloride, volumetric composition. Chlorides : (8) Chlorine—Its production by the oxidation of hydrochloric acid and by electrolysis of the acid and of chlorides properties. (c) Bleaching powder (1) Fluorine, bromine and iodine, as other members of the halogen family Use of aqueous hydrofluoric acid, iodine in medicine 10 Sulphur and its compounds (1) Sulphur — its extraction and uses (i) Sulphur dioxide—Prepara- tlon — (৫0) by oxidation of sulphur and sulphide ores (b) from sulphites, (c) from sulphuric acid Properties, uses as a bleaching ৬ agent and as ৪ preservative. [3] NOTES DesxApparatus for showing volumete’s composition of the gas. Only the chemistry ০1 Weldon's and Deacon’s Processes required. Only preparation, use and formula (with. out discussion), D—Bromine and iodine. D—Etching of glass. Allotropic forms and the behaviour of sulphur on heating are not required Description of burners not required.