Purines and pyrimidines are nitrogen bases found in DNA and RNA .They are nitrogen containing heterocyclic compounds .Purines are large double ringed while pyrimidines are sma â¦ ll single ringed .
Frozen Methane is exactly what it sounds like. Frozen methane. Or in other words, it's methane locked in ice, which is called hydrates. It is also known as fire ice, because of it's ice-like appearance and ability to burn when lit with a match. Frozen Methane is formed when a large amount of methane is trapped within a crystal structure of water, forming a solid similar to ice.
Experimentally, methane contains two elements, carbon and hydrogen, and the molecular formula of methane is CH4. Both carbon and hydrogen are non-metals, implying that methane is a covalent compound, not an ionic compound, meaning methane is made up of molecules, not ions.