Which of the Following Is INCORRECT for Decomposition of Organic

Which of the following is INCORRECT for decomposition of organic substances?

A) Microwave-induced combustion is a form of dry ashing.
B) An example of wet ashing is microwave digestion with acid in a Teflon bomb.
C) Wet ashing with perchloric aicd is an extremely hazardous procedure and is best avoided.
D) Kjeldahl digestion digests organic material with sulfuric acid for nitrogen analysis.
E) The Carius method of wet ashing is performed with fuming H₂SO₄ in a sealed,heavy-walled glass tube at 200 ^oC to 300 ^oC.