Copper Powder

Phenolphthalein is a chemical compound with the formula C₂₀H₁₄O₄ and is often written as “HIn” or “phph” in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and red in basic solutions.
Formula: C20H14O4

Aluminium Foil

Aluminum foil is suitable for many laboratory application, including sealing bottles, culture tubes,  , reducing evaporation or heat losses, covering corks, making weighing boats or dishes. May be used to cover vessels for autoclaving and incubating.