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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 |
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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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