This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Granite is an igneous rock that contains the minerals quartz, feldspar, mica and others. The exact composition will vary from sample to sample. Granite is a(n) ..... A) Compound. B) Homogenous mixture/solution. C) Heterogeneous mixture. D) Element. Show Answer Correct Answer: C) Heterogeneous mixture. 2. The definition of an oil is A) Greasy substance that only contains saturated fats. B) Fat that is liquid at room temperature. C) Fat that is solid at room temperature. D) Any yellow or green liquid. Show Answer Correct Answer: B) Fat that is liquid at room temperature. 3. The fact that matter is not created or destroyed in any chemical or physical change is called the ..... A) Law of Superposition. B) Law of Thermodynamics. C) Law of Conservation of Mass. D) Newton's Law. Show Answer Correct Answer: C) Law of Conservation of Mass. 4. A student calculates that they should produce 12.5g of MgO in lab. After the lab, the weighs the MgO, and finds that he made 10.8g of MgO. What is his theoretical yield? A) 10.8g. B) 12.5g. C) 86.4. D) None of the above. Show Answer Correct Answer: B) 12.5g. 5. Pounds = ..... kg A) 1.75. B) 1.81. C) 2.34. D) 2.01. Show Answer Correct Answer: B) 1.81. 6. A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together is called a(n) A) Dipole. B) Chemical bond. C) Lewis structure. D) London force. Show Answer Correct Answer: B) Chemical bond. 7. Saltwater is classified as what type of matter? A) A mixture. B) An atom. C) An element. D) A compound. Show Answer Correct Answer: A) A mixture. 8. Which of the following represents an element? A) H. B) CaCO3. C) H2O. D) NaCl. Show Answer Correct Answer: A) H. 9. What are some examples of monounsaturated fats? A) Butter, mayonaise, dairy. B) Animal products. C) Olive oil, avocados, peanuts. D) Vegetable oil. Show Answer Correct Answer: C) Olive oil, avocados, peanuts. 10. The smallest particle of an element that shows all the properties of that element. A) Quarks. B) Atom. C) Subatomic Particles. D) Gluons. Show Answer Correct Answer: B) Atom. 11. Matter that can vary in composition A) Compound. B) Atom. C) Mixture. D) Element. Show Answer Correct Answer: C) Mixture. 12. Which halogenoalkane reacts fastest with sodium hydroxide? A) 1-chlorobutane. B) 1-iodobutane. C) 2-iodo-2-methylpropane. D) 2-chloro-2-methylpropane. Show Answer Correct Answer: C) 2-iodo-2-methylpropane. 13. A part of a sample with uniform composition and properties A) Homogeneous Mixture. B) Phase. C) Compound. D) Heterogenous Mixture. Show Answer Correct Answer: B) Phase. 14. Changing the phase, size or shape of something ..... A) Suspension. B) Chemical change. C) Physical Change. D) Colloid. Show Answer Correct Answer: C) Physical Change. 15. Number of moles present in 22.0g of carbondioxide is A) 0.5. B) 2. C) 0.25. D) 22. Show Answer Correct Answer: A) 0.5. 16. Anything that has mass & takes up space A) Gravity. B) Matter. C) Volume. D) Force. Show Answer Correct Answer: B) Matter. 17. Which of the following is NOT an example of a chemical reaction? A) Wood Burning. B) A cake baking in an oven. C) Melting Ice Cream. D) Mixing Vinegar and Baking Soda. Show Answer Correct Answer: C) Melting Ice Cream. 18. Which of the following will not undergo reaction? A) Iron metal + copper oxide. B) Magnesium + iron oxide. C) Zinc metal + iron oxide. D) Zinc metal + zinc oxide. Show Answer Correct Answer: D) Zinc metal + zinc oxide. 19. $ \ \ ZnS\ +\ \ HCI\ \longrightarrow\ ZnCl\ \ +H\ \ S$ A) $ \ \ 5 Zn S\ +\ \ 2HCL\ \longrightarrow\ 4 ZnCl\ \ +H_ 4\ \ S$. B) $ \ \ 2ZnS\ +\ \ 2HCI\ \longrightarrow\ ZnCl_2\ \ +H_2S$. C) $ \ \ 2ZnS\ +\ \ 2HCI\ \longrightarrow\ ZnCl_2\ \ +H_3S$. D) None of above. Show Answer Correct Answer: B) $ \ \ 2ZnS\ +\ \ 2HCI\ \longrightarrow\ ZnCl_2\ \ +H_2S$. 20. If a mystery element is shiny, brittle and a conductor, you would look under which category? A) Metals. B) Nonmetals. C) Metalloids. D) Elements. Show Answer Correct Answer: C) Metalloids. 21. Oxygen was discovered by which of the following scientists? A) J. Priestly. B) J. Black. C) Ibn e sina. D) You. Show Answer Correct Answer: A) J. Priestly. 22. Which subatomic particle has a neutral charge. A) Protons. B) Nucleus. C) Neutrons. D) Electrons. Show Answer Correct Answer: C) Neutrons. 23. What is the IUPAC name for CH3CH2CH(CH3)CH3? A) 3-methylbutane. B) 2-ethylpropane. C) 1, 1-dimethylpropane. D) 2-methylbutane. Show Answer Correct Answer: D) 2-methylbutane. 24. The study of chemicals that, in general, do not contain carbon. A) Analytical Chemistry. B) Physical Chemistry. C) Biochemistry. D) Organic chemistry. E) Inorganic chemistry. Show Answer Correct Answer: E) Inorganic chemistry. 25. PH measures the presence or what kind of ions? A) Oxygen. B) Sulfur. C) Hydrogen. D) Nitrogen. Show Answer Correct Answer: C) Hydrogen. 26. The minimum amount of energy required to get a reaction to start. A) Enzymes. B) Calories. C) Catalyst. D) Activation energy. Show Answer Correct Answer: D) Activation energy. 27. The boiling point of water is a physical property and not a chemical property because- A) When water is heated to its boiling point, it changes into a new substance with new properties. B) When water is cooled to its boiling point, it changes from a solid to a liquid and has new properties. C) When water is heated to its boiling point, it changes from a liquid to a solid and only changes how it reacts with other substances. D) When water is heated to its boiling point, it changes from a liquid to a gas without changing into a new substance. Show Answer Correct Answer: D) When water is heated to its boiling point, it changes from a liquid to a gas without changing into a new substance. 28. Compared to ionic compounds, ..... generally have lower melting points and boiling points A) Bonded. B) Double-bonded. C) Covalent. D) Elemental. Show Answer Correct Answer: C) Covalent. 29. A neutral species that has an unpaired electron is called a ..... A) Carbanion. B) Nucleophile. C) Free radical. D) Electrophile. Show Answer Correct Answer: C) Free radical. 30. Chemical reactions that absorb more energy than they release are called A) Activated. B) Catalyzed. C) Endothermic. D) Exothermic. Show Answer Correct Answer: C) Endothermic. 31. Which property of Group 18 elements increases when going down the Group in the Periodic Table? A) Forces of attraction. B) Reactivity. C) Solubility in water. D) Electrical conductivity. Show Answer Correct Answer: A) Forces of attraction. 32. Halogenoalkanes can undergo SN1 and SN2 reactions with aqueous sodium hydroxide. Which halogenoalkane will react fastest with a 0.1 moldm-3 solution of aqueous sodium hydroxide? A) 1-chlorobutane. B) 1-iodobutane. C) 2-iodo-2-methylpropane. D) 2-chloro-2-methylpropane. Show Answer Correct Answer: C) 2-iodo-2-methylpropane. 33. How many atoms of oxygen are in a molecule of Ca3(PO4)2 A) 1. B) 8. C) 2. D) 4. Show Answer Correct Answer: B) 8. 34. Phase change from a solid to a liquid. A) Boiling. B) Melting. C) Condensation. D) Sublimation. Show Answer Correct Answer: B) Melting. 35. Which of the following is NOT a chemical reaction? A) Burning a marshmallow in a campfire. B) A campfire. C) Acid rain turning a copper roof green. D) Dissolving red Koolaid in water. Show Answer Correct Answer: D) Dissolving red Koolaid in water. 36. How many valence electrons are in Phosphorus? A) 31. B) 15. C) 4. D) 5. Show Answer Correct Answer: D) 5. 37. The reaction to form proteins from amino acids is called A) Hydrolysis. B) Condensation. C) Esterification. D) None of above. Show Answer Correct Answer: B) Condensation. 38. Which of the following branches of chemistry involves the study of making of glass and fibers? A) Organic chemistry. B) Inorganic chemistry. C) Industrial chemistry. D) Biological chemistry. Show Answer Correct Answer: C) Industrial chemistry. 39. A pure substance that is a compound is made out of A) Particles of more than one type of atom. B) Particles of the same type of atom. C) A mixture of two or more substances that can be physically separated. D) None of above. Show Answer Correct Answer: A) Particles of more than one type of atom. 40. A hydrocarbon is made of only A) Carbon and hydrogen and oxygen. B) Carbon and hydrogen. C) Fluorine and carbon. D) Carbon. Show Answer Correct Answer: B) Carbon and hydrogen. 41. A block has a mass of 54g and a volume of 20.0cm3. What is the density of the block? A) 34 g/cm3. B) 1080 g/cm3. C) 2.7 g/cm3. D) 74 g/cm3. Show Answer Correct Answer: C) 2.7 g/cm3. 42. Provides evidence that a chemical reaction has occurred. A) Dissolving. B) Formation of a gas. C) Melting. D) Bending. Show Answer Correct Answer: B) Formation of a gas. 43. What is a precipitate? A) A change in temperature. B) A solid formed. C) A gas formed. D) A change in color. Show Answer Correct Answer: B) A solid formed. 44. Property that carry out changes in the composition of a substance. A) Intensive Property. B) Chemical Property. C) Extensive Property. D) Physical Property. Show Answer Correct Answer: B) Chemical Property. 45. When two substances were combined together, heatwas given off and the color of the combined materials changed. What hashappened? A) A chemical reaction. B) A fire. C) A nuclear event. D) A conversion. Show Answer Correct Answer: A) A chemical reaction. 46. What is the formula for tin (IV) oxide? A) Tn4O2. B) TnO2. C) SnO. D) SnO2. Show Answer Correct Answer: D) SnO2. 47. Convert 9.00 km to mm A) 9.00 x106. B) 9, 000. C) 900, 000. D) 9, 000, 000. Show Answer Correct Answer: A) 9.00 x106. 48. Using a lit splint to do the pop test identifies which gas? A) Air. B) Oxygen. C) Hydrogen. D) Carbon dioxide. Show Answer Correct Answer: C) Hydrogen. 49. What is the formula for barium nitrate? A) BaNO2. B) Ba(NO4)2. C) Ba(NO3)2. D) Ba2NO3. Show Answer Correct Answer: C) Ba(NO3)2. 50. What is the geometry for CO32- A) Tetrahedral. B) Trigonal pyramidal. C) Trigonal planar. D) Linear. Show Answer Correct Answer: C) Trigonal planar. 51. H2 is an example of a(n) ..... A) Compound. B) Element. C) Heterogeneous Mixture. D) Molecule. Show Answer Correct Answer: D) Molecule. 52. Calculation used to find the number of neutrons in an atom A) Atomic Mass-Atomic Number. B) Atomic Number-Atomic Mass. C) Atomic Mass-Electrons. D) None of these. Show Answer Correct Answer: A) Atomic Mass-Atomic Number. 53. Which of the following is a list of physical properties? A) Density, conductivity, reaction with acid. B) Electrical conductivity, hardness, ability to transmit light. C) Temperature change when a chemical is added, texture, density. D) Flexibility, reaction with hydrochloric acid, color. Show Answer Correct Answer: B) Electrical conductivity, hardness, ability to transmit light. 54. What is the name given to research that is undertaken to solve a specific problem? A) Applied research. B) Pure research. C) Technology. D) Theoretical research. Show Answer Correct Answer: A) Applied research. 55. The type of bond that forms when electrons are shared between two atoms is called ..... A) An ionic bond. B) A covalent bond. C) A hydrogen bond. D) None of above. Show Answer Correct Answer: B) A covalent bond. 56. What is the general formula of an alkane A) CnHn. B) 2n+2. C) CnH2n. D) CnH2n+2. Show Answer Correct Answer: D) CnH2n+2. 57. The Law of Conservation of Matter says A) Matter can be created, but not destroyed. B) Matter can be destroyed, but not created. C) Matter cannot be created or destroyed. D) None of above. Show Answer Correct Answer: C) Matter cannot be created or destroyed. 58. A compound that consists of positive and negative ions: A) A neutral compound. B) A covalent compound. C) A base compound. D) An ionic compound. Show Answer Correct Answer: D) An ionic compound. 59. What is a double bond? A) Two pairs of electrons shared between two atoms. B) One pair of electrons shared between two atoms. C) Two pairs of electrons shared between four atoms. D) A bond between two atoms. Show Answer Correct Answer: A) Two pairs of electrons shared between two atoms. 60. ..... is the branch of chemistry that would study and develop products that in general do no contain carbon. A) Physical Chemistry. B) Biochemistry. C) Organic Chemistry. D) Inorganic Chemistry. Show Answer Correct Answer: D) Inorganic Chemistry. ← 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