Cu and Al Cu and Sn Cu, Zn and Sn Cu, Zn and Ni Answer: (c) 3. Which one of the following elements shows the maximum number of different oxidation states in its compounds? Eu La Cd Am Answer: (d) 4. When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, ...
MCQ on Amino Acids (Part-2) Biochemistry MCQ-05: Amino acids are the building blocks of proteins. They are organic compounds that contain both an amino group (-NH2) and a carboxyl group (-COOH) attached to a central carbon atom. There are 22 different types of amino acids that are ...