This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 57 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 57 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A pure substance made of the same type of atoms is called a(n) A) Atom. B) Molecule. C) Compound. D) Element. Show Answer Correct Answer: D) Element. 2. Applies chemistry to solve problems by developing chemicals for useful purposes. A) Scientist. B) Chemist. C) Einstein. D) Chemical Engineer. Show Answer Correct Answer: D) Chemical Engineer. 3. The amount of space that matter occupies A) Density. B) Volume. C) Mass. D) Element. Show Answer Correct Answer: B) Volume. 4. The density of pyrite is 5g/cm3 . This is an example of A) Intensive property. B) Extensive property. C) Chemical change. D) Chemical property. Show Answer Correct Answer: A) Intensive property. 5. In a family or column, the elements have similar properties because they all have the same number of A) Protons. B) Neutrons. C) Valence electrons. D) Electrons. Show Answer Correct Answer: C) Valence electrons. 6. Water is important because ..... A) Life processes take place in the cells. B) Helps the cells keep their size. C) Helps the cells keep their shape. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. Molecules are held close together in an orderly fashion with little freedom of motion. A) Gas. B) Solid. C) Liquid. D) None of above. Show Answer Correct Answer: B) Solid. 8. The energy transferred as a result of a temperature difference. A) Sunlight. B) Vapor. C) Joules. D) Heat. Show Answer Correct Answer: D) Heat. 9. In which state of matter are the atoms tightly packed together? A) Gas. B) Solid. C) Liquid. D) Plasma. Show Answer Correct Answer: B) Solid. 10. A solid composed of atoms, ions or molecules arranged in a pattern that is periodic in three dimensions. A) Crystal. B) Unit cell. C) Alloy. D) None of above. Show Answer Correct Answer: A) Crystal. 11. 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. 12. 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. 13. 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. 14. 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. 15. Atomic number = ..... A) No. of protons. B) No. of neutrons. C) Protons + Neutrons. D) None of above. Show Answer Correct Answer: A) No. of protons. 16. 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. 17. 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. 18. 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. 19. Phase change from a liquid to a solid. A) Freezing. B) Sublimation. C) Condensation. D) Deposition. Show Answer Correct Answer: A) Freezing. 20. A measure of how much matter an object has is ..... A) Weight. B) Gravity. C) Mass. D) Volume. Show Answer Correct Answer: C) Mass. ← PreviousNext →Related QuizzesChemistry QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books