JAMB 2024 A sample of orange juice is suspected to have been contaminated with a yellow dye. Which of the following methods can be used to detect the dye?
JAMB 2024 The solubility of Na₃AsO₄(H₂O)₁₂ is 38.9g per 100g H₂O. What is the mass percentage of Na₃AsO₄ in the saturated solution? (As = 75, Na = 23, O = 16…
JAMB 2024 When chlorine is passed into water and subsequently exposed to sunlight, the gas evolved is?
JAMB 2024 If 24.83 cm³ of 0.15 M NaOH is titrated to its end point with 39.45 cm³ of HCl, what is the molarity of the HCl?
JAMB 2024 The maximum number of electrons that can occupy the shell having a principal quantum number of 3 is
JAMB 2024 The heat accompanying the reaction represented by the equation H₂O (l) → H₂O(g) is described as the heat of
JAMB 2024 An isotope has an atomic number of 17 and a mass number of 36. Which of the following gives the correct number of neutrons and protons in an atom of…
JAMB 2024 What is the ratio of the rate of diffusion of carbon(IV) oxide to that of propane, under the same conditions? [H = 1; C= 12; 0= 16]