This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 55 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Identifies what substances are present in materials and how much of each substance is present. A) Physical chemistry. B) Organic chemistry. C) Inorganic chemistry. D) Biochemistry. E) Analytical chemistry. Show Answer Correct Answer: E) Analytical chemistry. 2. Which statement explains why the reactivity of Group 1 elements increase when going down the group? A) The melting point of the elements decreases. B) The valence electrons gets further away from the nucleus. C) The attractive force between valence electron and the nucleus becomes stronger. D) The physical state of the elements changes from gas to liquid then to solid at room temperature. Show Answer Correct Answer: B) The valence electrons gets further away from the nucleus. 3. Atoms are ..... when they are combined. A) More stable. B) Less stable. C) Not bound together. D) At high potential energy. Show Answer Correct Answer: A) More stable. 4. A person with hypothermia has a body temperature of 34.8 $^ \circ$C. What is that temperature in degrees Fahrenheit? A) 94.6 $^ \circ$F. B) 95.3 $^ \circ$F. C) 95.6 $^ \circ$F. D) 94.3 $^ \circ$F. Show Answer Correct Answer: A) 94.6 $^ \circ$F. 5. Which of the following is a heterogeneous mixture? A) A water sample containing dissolved salt. B) An air sample of oxygen, nitrogen, and carbon dioxide. C) A glass jar containing sand and different sized rocks. D) An iron-carbon alloy used to produce steel. Show Answer Correct Answer: C) A glass jar containing sand and different sized rocks. 6. What properties that do not depend on the amount of the matter present A) Density. B) Extensive. C) Intensive. D) Volume. Show Answer Correct Answer: C) Intensive. 7. Which organic molecule is not a structural isomer of pentan-1-ol? A) Pentan-2-ol. B) 2-methylpentan-2-ol. C) 2-methylbutan-2-ol. D) Pentan-3-ol. Show Answer Correct Answer: B) 2-methylpentan-2-ol. 8. Phase change from a liquid to a solid. A) Freezing. B) Sublimation. C) Condensation. D) Deposition. Show Answer Correct Answer: A) Freezing. 9. A measure of how much matter an object has is ..... A) Weight. B) Gravity. C) Mass. D) Volume. Show Answer Correct Answer: C) Mass. 10. Which state of matter has the highest amount of kinetic energy? A) Solid. B) Liquid. C) Gas. D) None of above. Show Answer Correct Answer: C) Gas. 11. Studying the process of photosynthesis in plants. A) Biochemistry. B) Inorganic. C) Analytical. D) Theoretical chemistry. Show Answer Correct Answer: A) Biochemistry. 12. The subatomic particle that determines the identity of an element. A) Neutron. B) Proton. C) Electron. D) Outer shell. Show Answer Correct Answer: B) Proton. 13. Phase change from a liquid to a gas. A) Melting. B) Sublimation. C) Evaporation. D) Condensation. Show Answer Correct Answer: C) Evaporation. 14. A research team intends to find out why a lake remains polluted to try to find a way to clean it up A) Basic research. B) Applied research. C) Technological research. D) None of above. Show Answer Correct Answer: B) Applied research. 15. Calculating and finding out how much nitrogen is in a sample of air is which study A) Organic. B) Inorganic. C) Analytical. D) Physical. Show Answer Correct Answer: C) Analytical. 16. In the chemical reaction iron plus oxygen $\rightarrow$ iron oxide, A) Iron oxide is a reactant. B) Iron is a reactant. C) Oxygen is a product. D) Iron is a product. Show Answer Correct Answer: B) Iron is a reactant. 17. When a covalent bond forms ..... are shared. A) Protons. B) Nutrons. C) Valence electrons. D) Quarks. Show Answer Correct Answer: C) Valence electrons. 18. Atom T has a proton number of 11 and a nucleon number of 23. Which of the following is true about element T? A) It does not conduct electricity. B) If forms an oxide with the formula TO. C) It is a hard black solid. D) It reacts with water to form an alkaline solution. Show Answer Correct Answer: D) It reacts with water to form an alkaline solution. 19. "C" is the element symbol for which element? A) Calcium. B) Carbon. C) Chlorine. D) Cadmium. Show Answer Correct Answer: B) Carbon. 20. ..... are some functions of lipids. A) Storing energy and cell membrane structure. B) Providing actin & providing myosin. C) Cellulose structure and digestive assistance. D) Storing & transferring genetic info. Show Answer Correct Answer: A) Storing energy and cell membrane structure. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books