Name the metal of which calamine is an ore. Write down the forumula of calamine.

Write down the full name of DNA and RNA.

Write down the properties of metals

Write down the properties of metals

Write down the chemical name of Oleum.

Write down the name of natural polymer.

Name one ore of zinc.

Write down the IUPAC name of freon-12.

Write the formula of following ore: bauxite

write down the names of water-soluble vitamin.

Name the alkali metals which reacts the nitrogen of air. Write the chemical equation for the reaction involved.