This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following elements is multivalent? A) F. B) P. C) Ti. D) He. Show Answer Correct Answer: C) Ti. 2. The study of substances that are compounds of carbons A) Analytical chemistry. B) Biochemistry. C) Physical chemistry. D) Organic chemistry. E) Inorganic chemistry. Show Answer Correct Answer: D) Organic chemistry. 3. All binary compounds end with ..... A) -ite. B) -ide. C) -ous. D) -ate. Show Answer Correct Answer: B) -ide. 4. Molecular formula for the oxide of calcium is A) CaO. B) Ca2O. C) None. D) None of above. Show Answer Correct Answer: A) CaO. 5. When heat is removed/released, the temperature of matter decreases and the particles ..... A) Speed up and move farther apart. B) Speed up and move closer together. C) Slow down and move farther apart. D) Slow down and move closer together. Show Answer Correct Answer: D) Slow down and move closer together. 6. Which statement about fats is correct? A) Most fats are plant based. B) Fats are healthier than oils. C) Fats are solid at room temperature. D) Fats are mainly unsaturated. Show Answer Correct Answer: C) Fats are solid at room temperature. 7. What is Hydrogenation? & Is it good for us? A) Hydrogen atoms converting a solid fat into liquid/YES. B) Hydrogen atoms converting a solid fat into liquid/NO. C) Hydrogen atoms converting an oil into a solid form/ YES. D) Hydrogen atoms converting an oil into a solid form/ NO. Show Answer Correct Answer: D) Hydrogen atoms converting an oil into a solid form/ NO. 8. Study of chemicals, that in general, do not contain carbon is called A) Organic chemistry. B) Biochemistry. C) Chemistry. D) Inorganic chemistry. Show Answer Correct Answer: D) Inorganic chemistry. 9. The ..... is the sum of the protons and the neutrons in an atom. A) Mass Number. B) Neutrons. C) Protons. D) Atomic Number. Show Answer Correct Answer: A) Mass Number. 10. Chemical formula of quick lime is: A) CaO. B) CaCO3. C) Ca(OH)2. D) CO2. Show Answer Correct Answer: A) CaO. 11. Which among the following is an element? A) Bronze. B) Silver. C) Stainless steel. D) Brass. Show Answer Correct Answer: B) Silver. 12. What are the smallest parts of pure substancesthat cannot be broken down intosimpler substances? A) Molecules. B) Mixtures. C) Elements. D) Atoms. Show Answer Correct Answer: D) Atoms. 13. Which lab tool might you use to measure the volume of a liquid? A) Test tube. B) Graduated cylinder. C) Electric scale. D) Bunsen burner. Show Answer Correct Answer: B) Graduated cylinder. 14. This ranges 7 on a Ph scale A) Neutral. B) Base. C) Acid. D) None of above. Show Answer Correct Answer: A) Neutral. 15. What is the volume of 150. grams of lead if it has a density of 11.3 g/cm 3? A) .075 g. B) 13.3 cm3. C) 1695 cm3. D) 13.3 g. Show Answer Correct Answer: B) 13.3 cm3. 16. Chewing food to break it down into smaller particles represents a ..... change, but the changing of starch into sugars by enzymes in the digestive system represents a ..... change. A) Chemical then Physical. B) Physical then Chemical. C) Both Physical. D) Both Chemical. Show Answer Correct Answer: B) Physical then Chemical. 17. What is a pure substance made of two or more elements chemically combined in a set ratio. Ex:CO2 has a set ratio of 1:2, meaning for every one carbon atom there are two oxygen atoms. A) Salad. B) Mixture. C) Element. D) Compound. Show Answer Correct Answer: D) Compound. 18. A university plans to map all the genes on human chromosomes A) Basic research. B) Applied research. C) Technological research. D) None of above. Show Answer Correct Answer: A) Basic research. 19. Is 20 g greater than, less than, or equal to 2 kg? A) Greater than. B) Less than. C) Equal to. D) None of above. Show Answer Correct Answer: B) Less than. 20. A basketball has more mass than a golf ball because: A) The basketball takes up more space. B) The basketball contains more matter. C) The golf ball contains a different kind of matter. D) The golf ball has an indefinite composition. Show Answer Correct Answer: B) The basketball contains more matter. 21. A chemical property that refers to the energy released when a compound undergoes burning. A) Chemical Stability. B) Reactivity. C) Flammability. D) Heat of Combustion. Show Answer Correct Answer: D) Heat of Combustion. 22. Physical properties are A) Properties that can be observed without changing the identity of the substance. B) Properties that we need special tools to observe. C) Properties that describe how a substance changes into a completely different substance. D) Properties that we can only observe with our eyes. Show Answer Correct Answer: A) Properties that can be observed without changing the identity of the substance. 23. This law states that energy cannot be created or destroyed, but it can change form. A) Endothermic reaction. B) Law of Conservation of EnergyLOCOE. C) Exothermic reaction. D) Law of Conservation of MatterLOCOM. Show Answer Correct Answer: B) Law of Conservation of EnergyLOCOE. 24. State change is always a ..... ..... A) Chemical property. B) Physical property. C) Chemical change. D) Physical change. Show Answer Correct Answer: D) Physical change. 25. Acetylene is burned in welding torches according to the following chemical reaction:2 C2H2 + 5 O2 $\rightarrow$ 4 CO2 + 2 H2OHow many oxygen (O) atoms are found in the reactants? A) 8. B) 5. C) 2. D) 10. Show Answer Correct Answer: D) 10. 26. What is the shape of H2O? A) Tetrahedral. B) Linear. C) Bent. D) Trigonal pyramidal. Show Answer Correct Answer: C) Bent. 27. Whichone of the following equations is correctly balanced? A) H2O $\rightarrow$3H2 + O2. B) H2 O $\rightarrow$ 2H2 + O2. C) 2H2O $\rightarrow$H2 + 4O2. D) 2H2O $\rightarrow$2H2 + O2. Show Answer Correct Answer: D) 2H2O $\rightarrow$2H2 + O2. 28. The property that describes how something looks (e.g. size, mass, texture, shape) and how it behaves around other substances (e.g. soluble, magnetic) A) Appearance. B) Chemical. C) Physical. D) Physique. Show Answer Correct Answer: C) Physical. 29. Mass Number = ..... A) No. of electrons. B) Protons + Neutrons. C) No. of protons. D) No. of neutrons. Show Answer Correct Answer: B) Protons + Neutrons. 30. Which of the following phase changes is exothermic? A) Freezing. B) Sublimation. C) Vaporization (evaporation). D) Melting. Show Answer Correct Answer: A) Freezing. 31. This particle determines what element you have-the elements identity. A) Neutron. B) Proton. C) Electron. D) Valence shell. Show Answer Correct Answer: B) Proton. 32. All molecules of the alkane homologous series have which ending in their name? A) -ane. B) -anol. C) -anoic acid. D) -ene. Show Answer Correct Answer: A) -ane. 33. Melting is ..... A) Gas to liquid. B) Liquid to solid. C) Solid to liquid. D) Solid to gas. Show Answer Correct Answer: C) Solid to liquid. 34. Which list does NOT contain compounds found in the same homologous series? A) Pentane, hexanol, heptane, octane. B) Tridecane, tetradecane, pentadecane, hexadecane. C) Methane, ethane, propane, butane. D) Nonane, decane, undecane, dodecane. Show Answer Correct Answer: A) Pentane, hexanol, heptane, octane. 35. What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)? A) 116.399g. B) 62.435g. C) 97.888g. D) 133.341g. Show Answer Correct Answer: D) 133.341g. 36. In what type of bond are electrons gained or lost? This happens between a metal and a non-metal? A) Ionic. B) Covalent. C) Subatomic. D) None of above. Show Answer Correct Answer: A) Ionic. 37. The smallest basic unit of matter is the A) Compound. B) Molecule. C) Cell. D) Atom. Show Answer Correct Answer: D) Atom. 38. A type of mixture in which the composition of the mixture is the same all throughout. A) Intensive Mixture. B) Extensive Mixture. C) Homogeneous Mixture. D) Heterogeneous Mixture. Show Answer Correct Answer: C) Homogeneous Mixture. 39. Elements are found in the ..... (living things). A) Atmosphere. B) Lithosphere. C) Hydrosphere. D) Biosphere. Show Answer Correct Answer: D) Biosphere. 40. During a chemical reaction, if there is a release of energy, this type of reaction is called A) Combustion. B) Exothermic. C) Elephant toothpate. D) Endothermic. Show Answer Correct Answer: B) Exothermic. 41. Molecules are closest together in a A) Solid. B) Liquid. C) Gas. D) None of above. Show Answer Correct Answer: A) Solid. 42. What is the mass number and name of an element with 8 protons and 8 neutrons? A) 16-Carbon. B) 24-Oxygen. C) 8-Neon. D) 16-Oxygen. Show Answer Correct Answer: D) 16-Oxygen. 43. What is the Law of Conservation of mass/matter? A) Mass is created in a chemical reaction. B) Mass is destroyed in a chemical reaction. C) New chemicals formed from a chemical reaction have a larger overall mass than the original reactants. D) New chemicals formed in a chemical reactions have the same mass as the original reactants. Show Answer Correct Answer: D) New chemicals formed in a chemical reactions have the same mass as the original reactants. 44. Which is a tertiary halogenoalkane? A) C(CH3)3Br. B) CH3CH2CH2Br. C) CH3CHClCH2CH3. D) CH3CH2CH(CH3)Cl. Show Answer Correct Answer: A) C(CH3)3Br. 45. Which is the best example of a pure substance? A) Peanuts. B) Air. C) Milk. D) Gold. Show Answer Correct Answer: D) Gold. 46. CO is the symbol for Carbon Monoxide. This is a ..... A) Mixture. B) Element. C) Atom. D) Compound. Show Answer Correct Answer: D) Compound. 47. Cm3 of nitric acid requires 15.80 cm3 of 0.12 mol dm-3 barium hydroxide solution for complete neutralisation. The concentration of nitric acid is A) 0.0948 mol dm-3. B) 0.0474 mol dm-3. C) 0.3792 mol dm-3. D) 0.1896 mol dm-3. Show Answer Correct Answer: D) 0.1896 mol dm-3. 48. All elements in a horizontal row are referred to as: A) Group. B) Family. C) Period. D) All of the above. Show Answer Correct Answer: C) Period. 49. The group B elements located in the middle of the periodic table. These elements are characterized by the presence of electrons in the d sublevel. A) Alkaline Earth Metals. B) Representative Elements. C) Inner Transition Metals. D) Transition Metals. Show Answer Correct Answer: D) Transition Metals. 50. A sample of iron receives 50 J of heat energy that raises the temperature of the iron 25.0$^ \circ$C. If iron has a specific heat of 0.10 J/g$^ \circ$C, what is the mass of the iron sample? A) 25g. B) 50g. C) 20g. D) 30g. Show Answer Correct Answer: C) 20g. 51. Type of matter that is made from 1 type of atom. A) Heterogeneous mixture. B) Compound. C) Homogeneous mixture. D) Element. Show Answer Correct Answer: D) Element. 52. Which of the following is not a separation technique A) Chromatography. B) Hand Sorting. C) Using a magnet. D) Stirring. Show Answer Correct Answer: D) Stirring. 53. Which of the following involves the quantitative determination of the chemical components of the subtance? A) Analytical. B) Inorganic. C) Biochemistry. D) Qualitative. Show Answer Correct Answer: A) Analytical. 54. What are homogeneous mixtures? A) The components are unevenly distributed with a non-uniform composition. B) Changes that do not affect the identity of the substance. C) The component substances are evenly distributed throughout the mixture. The composition is uniform. D) When one or more substances are converted into different substances. Show Answer Correct Answer: C) The component substances are evenly distributed throughout the mixture. The composition is uniform. 55. Anything that takes up mass and space A) Density. B) Matter. C) Volume. D) Mass. Show Answer Correct Answer: B) Matter. 56. Which branch of chemistry would study the sodium-potassium pump? A) Inorganic. B) Biochemistry. C) Organic. D) Physical. Show Answer Correct Answer: B) Biochemistry. 57. Which compound is produced in the reaction between but-2-ene and steam? A) CH3CH2CH2CH2OH. B) CH3CH2CHOHCH3. C) CH3CHOHCHOHCH3. D) CH2OHCH2CH2CH2OH. Show Answer Correct Answer: B) CH3CH2CHOHCH3. 58. CO2 would be a ..... A) Compound. B) Molecule. C) Compound AND Molecule. D) Sandwich. Show Answer Correct Answer: C) Compound AND Molecule. 59. State of matter that has a definite shape and a definite volume. A) Gas. B) Liquid. C) Solid. D) None of above. Show Answer Correct Answer: C) Solid. 60. Danny is sitting atthe table and says, "Please pass the C6H12O6" . His father, a chemist, smiles and hands Dannywhat? A) Salt. B) Pepper. C) Napkins. D) Sugar. Show Answer Correct Answer: D) Sugar. ← 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