LABORATORY RULES
- 1. Keep perfect silence in the lab. It is essential for concentration and successful scientific work.
- 2. Keep your apparatus, table and notebook neat and clean
- 3. Add reagents in proportionate amounts. This is the key to success
- 4. Keep the reagents stoppered, do not change the stoppers of the bottles and also do not disturb the arrangement on the shelf. Keep the reagents in their proper place.
- 5. Do not shift the bottles from the common shelf
- 6. Do not throw broken glass pieces, match sticks, filter paper etc. in the sink. Throw them in the waste box kept for the purpose
- 7. Shake the test tubes while heating. Do not throw hot and concentrated acids, especially concentrated sulphuric acid.
- 8. Pass Hydrogen Sulphide gas slowly into the solution. It is a very poisonous gas, do not leave the gas stopper open.
- 9. Keep the furniture in order before leaving the lab. Switch off lights, and fans and close windows.
