1.

State the functions of the following basic glass apparatus. (a) Glass test tube (b) Hard glass boiling tube (c) Beaker (d) Round bottom flask (e) Retort

Answer»

(a) Glass test tube : It is used for heating chemicals and studying reactions in chemicals solution. 

(b) Hard glass boiling tube : It is resistant to chemicals and used for special purposes. It is made of pyrex. 

(c) Beaker : It is used for holding pouring and mixing solutions. 

(d) Round bottom flask : In preparation of gases, where heating is required. Since the flask is round bottomed, heat is uniformly distributed throughout on heating. 

(e) Retort : For carrying out distillation experiments which include distillation of acids.



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