The chemical formula of rust is ______.

chemical formula for marble is ______.

The chemical name of rust is _____________.

Chemical formula of bauxite is __________

The chemical formula of magneties is .......... .

Chemical formula of phosgene is

Statement :Acetic acid reacts with baking soda with a brisk effervescence. Answer the question with respect to the above satement . Write the chemical formula of acetic acid .