An Insulator.
Insulators prevent flow of electric current. Example is wood, clay.
Radiant energy or electrical energy
Answer:
yes 4K + O2 ------>2K20 is true.
Acids react with calcium carbonate and more specifically carbonate to form carbon dioxide. An acid will give protons to the carbonate anion to produce carbonic acid which then decomposes into carbon dioxide and water. I hope this helps. Let me know if anything is unclear.
