posted by Judy .
Which of the following safety precautions is necessary for the 'Preparation of a Complex Iron Salt' experiment?
A. Oxalate compounds are easily absorbed through the skin and toxic to kidneys use gloves while handling.
B. Ethanol is flammable avoid ignition sources.
C. 3% H2O2 is a mild oxidizing agent avoid contact with the skin.
D. Sulfuric and oxalic acids can cause burns use gloves while handling.
E. All of these precautions are necessary.
is E correct?
Yes, I think E is the correct answer; however, I think C is overstated a bit.