Which one of the following elements has the highest electronegativity?

Which one of the following nitrogenous bases is not found in DNA?

Questions 41 – 43 relate to the following problem: You have a solution of 0.5 mol dm-3 sodium hydroxide. Titration of 125.0 cm3 of this solution required 30 cm3 of a hydrochloric acid solution for complete neutralisation.                                      What is the concentration of the hydrochloric acid in mol/dm3 (molarity)?

Questions 41 – 43 relate to the following problem: You have a solution of 0.5 mol dm-3 sodium hydroxide. Titration of 125.0 cm3 of this solution required 30 cm3 of a hydrochloric acid solution for complete neutralisation.                                                                                             How many moles of hydrochloric acid were neutralised?

Which of the following statements about reaction kinetics is False?

Which one of the following statements regarding glucose metabolism is False?

Nitrogen has an atomic number of 7. Which one of the following shows the correct electronic configuration of an atom of nitrogen?

During spectrophotometry, which of the following describes the distance travelled by light as it passes through a cuvette?  

Nucleotides join to form [nucleic] acids via [phosphodiester] bonds.

Which of the following amino acids has two identical groups attached to its central carbon atom?