Which of the following chemicals are used to treat the instruments made out of polymers?

• A. Ethylene Oxide ii) Hydrochloric Acid iii) Silver Cyanide iv) Ozone v) Bleach vi) Saline Solution vii) Sulphuric Acid viii) Glutaraldehyde and Formaldehyde ix) Phthalaldehyde x) Hydrogen Peroxide xi) Nitric Acid xii) Peracetic Acid xiii) Silver xiv) Formic Acid xv) Citric Acid
• B. i, ii, iii, iv, v, vi
• C. ii, iv, vi, viii, x, xii
• D. i, iv, v, viii, ix, x, xii, xiii