Traditional Culture Encyclopedia - Traditional customs - On February 22nd, 2007, in 65438, Nanhai No.1, an ancient shipwreck in the Southern Song Dynasty, was successfully salvaged, which wrote a new chapter in archaeological work in China.

On February 22nd, 2007, in 65438, Nanhai No.1, an ancient shipwreck in the Southern Song Dynasty, was successfully salvaged, which wrote a new chapter in archaeological work in China.

A. Porcelain is a traditional silicate product, so A is correct;

B. Covered with silt, it can isolate water and air and is well preserved, so B is correct;

C iron, copper and silver form a primary battery, which is used as the negative electrode of the primary battery. Natural iron products are the most seriously corroded, so C is correct;

D "combustible ice" is a new energy source discovered only in modern times, and it is impossible to provide power for Nanhai No.1, so D is wrong.

So choose D.