List any five precautions taken care of while performing an experiment in a chemistry laboratory.

Five precautions to be taken in laboratory are:-

1. Do not touch any unknown substance
2. Do not put hot concentrated acids into the sink directly.
3. Always wear an apron in the laboratory.
4. Do not throw broken glass apparatus or used filter paper in the sink.
5. While heating keep the mouth of test tube away from your eyes and face to protect youself.