1. Hydrolysis adds water to break a bond.
2. Hydrolysis is the process by which starch is made from glucose.
3. Water is a byproduct of dehydration synthesis.
4. Electrons are shared equally in polar covalent bonds.
5. Hydrogen bonds stablize the struct of DNA and proteins.
6. Electron pairs orbit both nuclei in all covalent bonds.
7. Polar covalent bonds are between the oxygen and hydrogen atoms in a single water molecule.
8. When an atom gives away an electron it becomes an ion with a positive charge.
9. A drop of water has millions of molecules of water held together by hydrogen bonds.
10. Ionic bonds are formed when electrons are transferred from one atom to another.

Three of these statements are incorrect but I am not sure which ones.