General Science – Synthetic Materials
1. Which is/are the important raw material(s) required in cement industry? A. Gypsum and Clay B. Clay C.…
General Science – Nuclear Science
1. Which of the following is used as a moderator in nuclear reactor? A. Thorium B. Graphite C.…
Water, pH and Macromolecules – Section 1
1. Which of the following organic groups are found in naturally occurring amino acids? A. Guanidinium ion B.…