This quiz works best with JavaScript enabled. Home > Science > Chemistry – Quiz 60 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 60 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It resist an external force and this assume a lesser surface area. A) Viscosity. B) Heat of vaporization. C) Surface tension. D) Boiling point. Show Answer Correct Answer: C) Surface tension. 2. If 60.2 grams of Hg combines completely with 24.0 grams of Br to form a compound, what is the percent composition of Hg in the compound? A) 28.5%. B) 39.9%. C) 71.5%. D) 60.1%. Show Answer Correct Answer: C) 71.5%. 3. Which of the following is NOT true about water? A) Water can moderate temperatures. B) Water does not dissolve many substances. C) Water can climb against gravity. D) Water can adhere to other substance. Show Answer Correct Answer: B) Water does not dissolve many substances. 4. If an atom has 12 protons, which of the following must it also have to be considered a neutral atom? A) 12 neutrons. B) 12 electrons. C) 12 protons. D) 24 protons and neutrons. Show Answer Correct Answer: B) 12 electrons. 5. When the outermost energy level of an atom contains the maximum number of electrons A) Ionic bonding occurs. B) Covalent bonding occurs. C) Metallic bonds form. D) The atom is stable. Show Answer Correct Answer: D) The atom is stable. 6. The type of matter that makes up an object and the way it is arranged A) Inertia. B) Composition. C) Reactivity. D) None of above. Show Answer Correct Answer: B) Composition. 7. Which of the following elements is an alkali metal A) Calcium. B) Magnesium. C) Mercury. D) Sodium. Show Answer Correct Answer: D) Sodium. 8. What nucleus of atom contains? A) Protons. B) Electrons. C) Protons and neutrons. D) Electrons and protons. Show Answer Correct Answer: C) Protons and neutrons. 9. Density is one of the properties of a substance. How is the property classified? A) Physical and intensive. B) Physical and extensive. C) Chemical and intensive. D) Chemical and extensive. Show Answer Correct Answer: B) Physical and extensive. 10. Branch of chemistry that studies matrials that dont have carbon A) Organic. B) Inorganic. C) Anatlytical. D) Physical. Show Answer Correct Answer: B) Inorganic. 11. What is an ionic bond? A) When a metal and a metal bond together. B) When a metal and a non-metal bond together. C) When a non-metal and a non-metal bond together. D) None of above. Show Answer Correct Answer: B) When a metal and a non-metal bond together. 12. The second energy level can hold up to ..... valence electrons A) 2. B) 8. C) 18. D) 36. Show Answer Correct Answer: B) 8. 13. What are the factors that affect solubility? A) Rate of stirring. B) Particle size. C) Temperature. D) All of these. Show Answer Correct Answer: D) All of these. 14. Empirical formula of C6H12O6 is A) C6H12O6. B) CH2O. C) C3H6O3. D) CHO. Show Answer Correct Answer: B) CH2O. 15. What kind of ions are found in basic solutions? A) OH. B) H+. C) H3O+. D) None of above. Show Answer Correct Answer: A) OH. 16. The atomic number tells you what? A) Number of electrons. B) Number of protons. C) Number of neutrons. D) Both electrons and protons in an atom. Show Answer Correct Answer: B) Number of protons. 17. What is the number of valence electrons (the electrons on the outer-most shell) for Oxygen? A) 8. B) 6. C) 2. D) 1. Show Answer Correct Answer: B) 6. 18. The ratio of the number of hydrogen atoms to the number of oxygen atoms in H2O is ..... A) 1:2. B) 2:1. C) 1:1:1. D) 3:1. Show Answer Correct Answer: B) 2:1. 19. What is the monomer of carbohydrates? A) Monosaccharide. B) Amino acid. C) Protein. D) Fatty acid. Show Answer Correct Answer: A) Monosaccharide. 20. The second law of thermodynamics states that useful energy is always A) Increasing. B) Being stored. C) Being lost. D) Being created. Show Answer Correct Answer: C) Being lost. ← PreviousNext →Related QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books