Flame testing: What would be considered safer for Year 8 students attempting flame testing of chemicals?

Flame testing: What would be considered safer for Year 8 students attempting flame testing of chemicals?
Safe storage of chemicals: I would just like to ask what chemicals can be stored safely together.
In a chemical storeroom, as in which classes can be put together. Thank you.
We are doing the rusting of steel wool with vinegar experiment with our Year 8 students.
Storage and disposal of deliquescent chemicals - Zinc Nitrate: Hi, My bottle of zinc nitrate has liquid in it and the bottle has expanded. It does not look right.
Calcium oxide disposal: Hi. Can anyone tell me how to dispose of some very old calcium oxide. The container is all swollen and the date on the bottle is Dec 1988.
Litmus Paper: The Litmus paper in our lab is many years old, but has been kept dry in a dark drawer.
Disposal of old equipment: We have cupboards full of old school science laboratory equipment including: balances, models, etc. Most of the equipment hasn't been touched in over 10 years.
Bunsen Burners: What are the gas tubing and other connection specifications, including ma
Updated September 2016
This Standard Operating Procedure (SOP) contains a detailed method for how to perform a rat dissection.
Storage of nitrates: Hi, I'm upgrading the storage of my chemicals. Is it okay to store nitrates in clear glass bottles?