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प्रश्न
List any five precautions taken care of while performing an experiment in a chemistry laboratory.
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उत्तर
Five precautions to be taken in the laboratory are:
- Do not touch or taste any unknown substance.
- Use only a small quantity of chemicals to carry out an experiment.
- Do not work alone in the laboratory.
- Do not throw hot concentrated acids into the sink directly.
- Always wear an apron in the laboratory to protect your clothes.
- While heating keeps the mouth of the test tube away from your eyes and face.
- The apparatus to be used in an experiment should be arranged neatly before beginning an experiment.
- Do not throw broken glass apparatus or used filter paper in the sink. Throw them in a dustbin.
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