This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Chemistry > Chemistry – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the result of the reaction between potassium bromide and ammonium sulfide? A) Ammonium bromide precipitates. B) Potassium ammonium precipitates. C) No precipitate is formed. D) Potassium sulfide precipitates. Show Answer Correct Answer: C) No precipitate is formed. 2. The luster of a metal is due to A) High polishing. B) Chemical inertness. C) Presence of free electrons. D) High density. Show Answer Correct Answer: C) Presence of free electrons. 3. Fluorine will form what type of ion? A) Neutral. B) Negative. C) Positive. D) None of above. Show Answer Correct Answer: B) Negative. 4. How many different bonds can every atom of carbon make? A) 4 single bonds. B) 2 single and 1 double bond. C) 1 single and 1 triple. D) Any are correct. Show Answer Correct Answer: D) Any are correct. 5. Where are electrons located? A) Paired with the neutrons. B) In the nucleus. C) In the protons. D) In the electron clouds. Show Answer Correct Answer: D) In the electron clouds. 6. How many electrons are in a neutral atom of sodium-23? A) 22. B) 23. C) 11. D) 12. Show Answer Correct Answer: C) 11. 7. How many total ATOMS are in the following compound:2C2H4O2 A) 8. B) 10. C) 3. D) 16. Show Answer Correct Answer: D) 16. 8. When 2.02 X 1023 is multiplied by 3.1 X 10-31, the product is A) 6.3 X 108. B) 6.3 X 1054. C) 6.3 X 10-54. D) 6.3 X 10-8. Show Answer Correct Answer: D) 6.3 X 10-8. 9. The metal used to recover copper from a solution of copper sulphate is? A) Na. B) Fe. C) Hg. D) Ag. Show Answer Correct Answer: B) Fe. 10. Avogadro's number is defined as the number of particles in A) One kilogram of pure substance. B) One mol of pure substance. C) One liter of pure substance. D) One gram of pure substance. Show Answer Correct Answer: B) One mol of pure substance. 11. Moving down on the periodic table increases the number of ..... A) Valence electrons. B) Electron rings. C) Periodic. D) Element. Show Answer Correct Answer: B) Electron rings. 12. Which is the correct form of writing the chemical formula for Ferous sulfate or Iron (II) sulfate? A) FeSO3. B) FeSO4. C) Fe2SO4. D) Fe2SO3. Show Answer Correct Answer: B) FeSO4. 13. What is the pH of water? A) 4. B) 14. C) 7. D) 0. Show Answer Correct Answer: C) 7. 14. A subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge A) Proton. B) Neutron. C) Electron. D) None of above. Show Answer Correct Answer: B) Neutron. 15. Protons + ..... = atomic mass A) Electrons. B) Neutrons. C) Neither. D) None of above. Show Answer Correct Answer: B) Neutrons. 16. ..... bonding is when 2 atoms share a pair of electrons. When an atom gives away or takes an extra electron, it has an overall negative of positive charge and is called an ..... A) Ionic, Ion. B) Ionic, Element. C) Covalent, Element. D) Covalent, Ion. Show Answer Correct Answer: D) Covalent, Ion. 17. A pure substance that is made up of only one kind of atom A) Compound. B) Mixture. C) Element. D) Molecule. Show Answer Correct Answer: C) Element. 18. The hardest form of carbon is A) Diamond. B) Graphite. C) Charcoal. D) Coke. Show Answer Correct Answer: A) Diamond. 19. The electrons in the outermost energy level are called A) Neutrons. B) Valence electrons. C) Isotopes. D) Protons. Show Answer Correct Answer: B) Valence electrons. 20. The substance getting dissolved A) Solute. B) Mixture. C) Solution. D) Solvent. Show Answer Correct Answer: A) Solute. 21. What unit do you use to measure Thermal Energy? A) J/Kg $^ \circ$C. B) Kg. C) $^ \circ$C. D) J. Show Answer Correct Answer: D) J. 22. Which type of reaction is:8 Ag2S $\rightarrow$ 8 S + 16 Ag A) Single Displacement. B) Decomposition. C) Synthesis. D) Double Displacement. Show Answer Correct Answer: B) Decomposition. 23. T shell of an atom can hold maximum of A) 6. B) 4. C) 8. D) 2. Show Answer Correct Answer: D) 2. 24. The function of this carbohydrates is a storage form for excess glucose in the liver and skeletal muscles A) Sucrose. B) Cellulose. C) Glycogen. D) Ribose. Show Answer Correct Answer: C) Glycogen. 25. What type of particle is:Ag A) Atom. B) Formula Unit. C) Molecule. D) Ion. Show Answer Correct Answer: A) Atom. 26. The material which can be deformed permanently by heat and pressure is called a A) Thermoplastic. B) Thermoset. C) Chemical compound. D) Polymer. Show Answer Correct Answer: B) Thermoset. 27. A measure of how difficult it is to break the surface of a liquid because of hydrogen bonds A) Hydrophilic. B) Heat of vaporization. C) Adhesion. D) Surface tension. Show Answer Correct Answer: D) Surface tension. 28. The inexpensive and commonly used variety of glass is called soda glass. It is called so because A) Is made using soda lime. B) Is made using soda(sodium carbonate). C) Was initially used for storing sodium carbonate. D) Was used initially for making bottles of soda(carbonated drink). Show Answer Correct Answer: B) Is made using soda(sodium carbonate). 29. A large, folded chain of amino acids. A) Enyzme. B) Monosaccharide. C) Protein. D) Steroid. Show Answer Correct Answer: C) Protein. 30. Iron reacts with oxygen to form iron oxide (rust). Which of the following is the correct word equation? A) Iron oxide-$\rightarrow$ oxygen. B) Iron oxide $\rightarrow$ iron + oxygen. C) Iron-$\rightarrow$ Iron oxide. D) Iron + oxygen $\rightarrow$ iron oxide. Show Answer Correct Answer: D) Iron + oxygen $\rightarrow$ iron oxide. 31. What is an electron? A) A positively charged particle. B) A negatively charged particle. C) A neutral particle. D) None of above. Show Answer Correct Answer: B) A negatively charged particle. 32. What type of bond is formed when a positive ion and negative ion stick together? A) Covalent Bond. B) Water Bond. C) Hydrogen Bond. D) Ionic Bond. Show Answer Correct Answer: D) Ionic Bond. 33. A substance that contains different compounds and/or element A) Matter. B) Mixture. C) Molecule. D) Atom. Show Answer Correct Answer: B) Mixture. 34. A sample of bismuth has a mass of 343 g and a volume of 35.0 cm3.What is the density of bismuth? A) 378 g/cm3. B) 1.20 104 g/cm3. C) 0.102 g/cm3. D) 9.80 g/cm3. Show Answer Correct Answer: D) 9.80 g/cm3. 35. What is a control used for in an experiment? A) It is part of the conclusion. B) It is what is measured. C) It is what I change. D) It is used as a comparison. Show Answer Correct Answer: D) It is used as a comparison. 36. Which gas is filled in refrigerators? A) Chlorofluorocarbon. B) Methane. C) Acetylene. D) Butane. Show Answer Correct Answer: A) Chlorofluorocarbon. 37. What is the main biological function of carbohydrates? A) Store energy. B) Make up enzymes. C) Make you fat. D) Contain genetic information. Show Answer Correct Answer: A) Store energy. 38. Which is heavier, an atom of H or an atom of He? A) They are the same. B) An atom of He. C) 6.02 x 1023. D) An atom of H. Show Answer Correct Answer: B) An atom of He. 39. What atom matches this electron configuration? 1s22s22p63s23p64s23d10 A) Germanium. B) Zinc. C) Nickel. D) Copper. Show Answer Correct Answer: B) Zinc. 40. What is the first thing you must do to solve a stoichiometry problem? A) Ask for help. B) Write a Balanced Equation. C) Write an Unbalanced Equation. D) Panic. Show Answer Correct Answer: B) Write a Balanced Equation. 41. What does the Law of Conservation of Mass state? A) The matter can be created and destroyed. B) That matter cannot be created or destroyed. C) That mater cannot be created but can be destroyed. D) That matter can be created but cannot be destroyed. Show Answer Correct Answer: B) That matter cannot be created or destroyed. 42. Carbon is unique due to the carbon atom's A) Six outer unpaired electrons. B) Ionic compounds. C) Hydrogen bonding strength. D) Bonding properties. Show Answer Correct Answer: D) Bonding properties. 43. Mass percent of Hydrogen in NaOH is A) 3.5. B) 2. C) 3. D) 2.5. Show Answer Correct Answer: D) 2.5. 44. Which of the following dissolves in water because of ion-dipole attractions? A) Sodium chloride. B) Ethanol. C) Carbon dioxide. D) Sugar. Show Answer Correct Answer: A) Sodium chloride. 45. Atomic number of magnesium [Mg] in the periodic table ..... A) 12. B) 11. C) 14. D) 13. Show Answer Correct Answer: A) 12. 46. The mass of one Avogadro number of helium atom is A) 4.00 gram. B) 3.00 gram. C) 1.00 gram. D) 2.00 gram. Show Answer Correct Answer: A) 4.00 gram. 47. A neutral atom of hydrogen-2 contains (same as 2H) A) 2 protons, 2 electrons, and 4 neutrons. B) 2 protons, 2 electrons, and 2 neutrons. C) 1 proton, 1 electron, and 2 neutrons. D) 1 proton, 1 electron, and 1 neutron. Show Answer Correct Answer: D) 1 proton, 1 electron, and 1 neutron. 48. A molecule is ..... A) Two ions held together by opposite charges. B) Smaller than an atom. C) Can be physically separated into smaller atoms. D) More than one atom bonded together by covalent bonds. Show Answer Correct Answer: D) More than one atom bonded together by covalent bonds. 49. Which intermolecular force is present in all types of compounds? A) Hydrogen Bond. B) Ion-dipole. C) London Forces. D) Dipole-dipole. Show Answer Correct Answer: C) London Forces. 50. What is the symbol for Tungsten (use your reference tables-it's an element) A) V. B) Tc. C) Ti. D) W. Show Answer Correct Answer: D) W. 51. Which is more basic? A) PH of 7. B) PH of 1. C) PH of 6. D) PH of 12. Show Answer Correct Answer: D) PH of 12. 52. This kind of bond occurs when metals and non metals bond to have a full outer shell, one loses and the other gains electrons A) Ionic bond. B) Chemical bond. C) Covalent bond. D) Metallic bond. Show Answer Correct Answer: A) Ionic bond. 53. Which is an example of a physical change? A) Baking a cake. B) Evaporating water. C) Burining a candle. D) Metal rusting. Show Answer Correct Answer: C) Burining a candle. 54. Why is water necessary to your body? A) It forms the solutes in blood plasma. B) It prevents large changes in blood pH. C) It dissolves nonpolar fats and oils. D) It dissolves and transports substances. Show Answer Correct Answer: D) It dissolves and transports substances. 55. Which notations represent different isotopes of the element sodium? A) 32S and 34S. B) S2-and S6+. C) Na+ and Na0. D) 22Na and 23Na. Show Answer Correct Answer: D) 22Na and 23Na. 56. In an exothermic reaction, heat is A) Created. B) Absorbed. C) Destroyed. D) Released. Show Answer Correct Answer: D) Released. 57. What is the atomic symbol for sodium? A) S. B) NaCl. C) Na. D) So. Show Answer Correct Answer: C) Na. 58. Anything that takes up space and has mass is known as ..... A) Molecules. B) Compounds. C) Matter. D) Stuff. Show Answer Correct Answer: C) Matter. 59. What is the molar mass of (NH4)3PO4 A) 137.00 g/mol. B) 149.12 g/mol. C) 113.02 g/mol. D) 124.13 g/mol. Show Answer Correct Answer: B) 149.12 g/mol. 60. The SI base unit for mass is the A) Cubic centimeter. B) Kilogram. C) Gram. D) Meter. Show Answer Correct Answer: B) Kilogram. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books