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Write down the uses and working principle of hot air oven. |
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Answer» Use : Hot air oven is mainly used for the following purposes. 1. Dry sterilization of syringes & needles. 2. Preparation of anticoagulated bulbs. 3. Drying of glass ware. 4. Heating of chemicals used for the preparation of primary standards. Principle: When electricity is passed through the heating coils, electrical energy is converted to heat energy. |
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