This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Chemistry > Chemistry – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... is a negatively charged particle A) Neutron. B) Proton. C) Atom. D) Electron. Show Answer Correct Answer: D) Electron. 2. What combination would dissolve a solid solute the fastest? A) High temperature, no stirring. B) High temperature, stirring. C) Sugar cube, no heat. D) No heat, no stirring. Show Answer Correct Answer: B) High temperature, stirring. 3. Increase in temperature causes the particles to A) Stay apart from each other. B) Move in the correct order. C) Move faster. D) Slow down. Show Answer Correct Answer: C) Move faster. 4. A lithium ion is much less reactive than a lithium atom because A) Has a negative electric charge. B) Has a full outermost energy level. C) Is in a different group in the periodic table. D) Is much more massive. Show Answer Correct Answer: B) Has a full outermost energy level. 5. Which two particles are found in the nucleus of an atom? A) Protons & neutrons. B) Protons & electrons. C) Electrons & neutrons. D) None of above. Show Answer Correct Answer: A) Protons & neutrons. 6. Expressed in scientific notation, 0.0930 m is A) 93 X 10-3 m. B) 9.30 X 10-2 m. C) 9.3 X 10-3 m. D) 9.30 X 10-4 m. Show Answer Correct Answer: B) 9.30 X 10-2 m. 7. Which is more acidic? A) PH of 6. B) PH of 7. C) PH of 12. D) PH of 1. Show Answer Correct Answer: D) PH of 1. 8. Air contains maximum amount of A) Carbon dioxide. B) Hydrogen. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: C) Nitrogen. 9. Which of the following can be identified as the smallest units of life? A) Organ Systems. B) Cells. C) Tissues. D) Organs. Show Answer Correct Answer: B) Cells. 10. Which of the following exhibits hydrogen bonding? A) CH3OH. B) HF. C) NH3. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. A solution having a lesser amount of solute that what given quantity of solvent can dissolves A) Saturated solution. B) Unsaturated solution. C) Solution. D) Supersaturated solution. Show Answer Correct Answer: B) Unsaturated solution. 12. When we combined vinegar and baking soda and created carbon dioxide what was the product? A) Vinegar. B) Carbon dioxide and baking soda. C) Carbon dioxide. D) Vinegar and baking soda. Show Answer Correct Answer: C) Carbon dioxide. 13. Which of the following is NOT a property of metals? A) Luster. B) Malleable. C) Conduct Heat/ electricity. D) Dull. Show Answer Correct Answer: D) Dull. 14. The physical form in which a substance exists A) Inertia. B) State of matter. C) Reactivity. D) None of above. Show Answer Correct Answer: B) State of matter. 15. Branch of chemistry that deals with the study of carbon containing compounds. A) Inorganic Chemistry. B) Nuclear Chemistry. C) Physical Chemistry. D) Organic Chemistry. Show Answer Correct Answer: D) Organic Chemistry. 16. What type of bond is formed between an atom that has lost an electron and an atom that has gained an electron? A) Hydrogen. B) Ionic. C) Van der Waal. D) Covalent. Show Answer Correct Answer: B) Ionic. 17. DNA is found in the ..... of animal and plant cells. A) Endoplasmic reticulum. B) Mitochondrion. C) Nucleus. D) Golgi body. Show Answer Correct Answer: C) Nucleus. 18. Creature with many cells A) Cell. B) Organism. C) Unicellular. D) Multicellular. Show Answer Correct Answer: D) Multicellular. 19. A coffee filter is used to separate coffee liquid from ground, this is a suitable example of ..... A) Mechanical separation. B) Filtration. C) Distillation. D) Decantation. Show Answer Correct Answer: D) Decantation. 20. If I have 6.02 x 1023 molecules of CO2, what is the mass? A) 1.37 x1022 g. B) 44.0 g. C) 96.0 g. D) 2.65 x1023 g. Show Answer Correct Answer: B) 44.0 g. 21. Non-metals can BLANK electrons to form a covalent compound A) Lose. B) Share. C) Gain. D) None of above. Show Answer Correct Answer: B) Share. 22. Which 3 are properties of a base? A) 1.Taste Sour, 2.Conducts Electricity in water 3. donates hydrogen ions. B) 1. taste chalky or bitter2. slippery to the touch3. receives hydrogen ions. C) 1. Taste Sour2. Slippery to the touch3. Conducts electricity in water. D) None of above. Show Answer Correct Answer: B) 1. taste chalky or bitter2. slippery to the touch3. receives hydrogen ions. 23. Which of the following mixtures could NOT be used in separating the components of mixtures through decantation? A) Quail egg in hot water. B) Sand in glass of water. C) Sugar in hot water. D) Utensils in warm water. Show Answer Correct Answer: C) Sugar in hot water. 24. An example of an intensive property is A) Heat capacity. B) Volume. C) Mass. D) Color. Show Answer Correct Answer: D) Color. 25. The most malleable metal is A) Gold. B) Iron. C) Platinum. D) Silver. Show Answer Correct Answer: A) Gold. 26. Which one is comprised of the other three? A) Neutron. B) Proton. C) Atom. D) Electron. Show Answer Correct Answer: C) Atom. 27. Which element is classified as a metal, but is liquid at room temperature? A) I. B) Be. C) Hg. D) H. Show Answer Correct Answer: C) Hg. 28. Why does a higher concentration increase the rate of reaction? A) It increases the energy of particle collisions. B) It increases the frequency of particle collisions. C) It lowers the activation energy. D) It increases the amount of reactants. Show Answer Correct Answer: B) It increases the frequency of particle collisions. 29. Life on Earth is based on the element A) Gold. B) Carbon. C) Water. D) Helium. Show Answer Correct Answer: B) Carbon. 30. Which group is nonreactive? A) Metals. B) Halogens. C) Non-metals. D) Noble gases. Show Answer Correct Answer: D) Noble gases. 31. Which type of bonding causes all of water's unique properties? A) Polar-covalent bonding. B) Covalent bonding. C) Hydrogen bonding. D) Ionic bonding. Show Answer Correct Answer: C) Hydrogen bonding. 32. Which property of matter is a measure of the gravitational force? A) Weight. B) Mass. C) Volume. D) Density. Show Answer Correct Answer: A) Weight. 33. What is the monomer (building block) of lipids? A) Amino acids. B) Triglycerides. C) Nucleotides. D) Monosaccharides. Show Answer Correct Answer: B) Triglycerides. 34. What is the pH range of a base? A) 7.1-14. B) 0-6.9. C) 0-14. D) 7. Show Answer Correct Answer: A) 7.1-14. 35. Which category of macromolecules includes sugars and starches? A) Proteins. B) Phospholipids. C) Carbohydrates. D) Unsaturated fatty acids. Show Answer Correct Answer: C) Carbohydrates. 36. It is the components of matter can be separated through physical means A) Mixture. B) Compound. C) Elements. D) Pure substance. Show Answer Correct Answer: A) Mixture. 37. How many particles are in 1 mole of Iodine (I)? A) 4.022 x 1023. B) 4.022 x 1025. C) 6.022 x 1025. D) 6.022 x 1023. Show Answer Correct Answer: D) 6.022 x 1023. 38. Which of the following is the CORRECT empirical formula of C4H10? A) CH2.5. B) C2H5. C) C8H20. D) C4H10. Show Answer Correct Answer: B) C2H5. 39. You have 6.5 mole of chromium, which has a molar mass of 52 g/mol. what is the mass in grams? A) 3.38. B) 3.38. C) 33.8. D) 338. Show Answer Correct Answer: D) 338. 40. A measure of how much mass is contained in a given unit of volume. A) Volume. B) Matter. C) Mass. D) Density. Show Answer Correct Answer: D) Density. 41. Which would have more atoms, a mole of atoms of H or a mole of atoms of He? A) No. B) A mole of atoms of He. C) They would have the same number of atoms. D) A mole of atoms of H. Show Answer Correct Answer: C) They would have the same number of atoms. 42. A change that affects the type of molecules or atoms in a substance A) Physical Change. B) Mixture. C) Molecule. D) Chemical Change. Show Answer Correct Answer: D) Chemical Change. 43. Many monomers can be cross-linked together to form ..... A) Molecules. B) Plastic material. C) Polymers. D) Balloons and silly putty. Show Answer Correct Answer: C) Polymers. 44. What is the atomic mass of carbon? A) 12.011 amu. B) 6 amu. C) C. D) 12 amu. Show Answer Correct Answer: A) 12.011 amu. 45. It is anything that can occupied space and has mass. A) Volume. B) Matter. C) Object. D) None of above. Show Answer Correct Answer: B) Matter. 46. Water is polar because A) Oxygen and hydrogen have different electronegativities. B) Oxygen and hydrogen share their electrons equally. C) Oxygen is an anion and hydrogen is a cation. D) None of above. Show Answer Correct Answer: A) Oxygen and hydrogen have different electronegativities. 47. A solution includes A) Solute. B) Solvent. C) Solute and solvent. D) Bases and Acids. Show Answer Correct Answer: C) Solute and solvent. 48. Blood plasma is an example of A) An extracellular fluid. B) A transporting fluid. C) A solvent. D) All of these. Show Answer Correct Answer: D) All of these. 49. The two nucleic acids. A) DNA, Cellulose. B) Amino acids, lipids. C) Glucose, Nucleotides. D) DNA, RNA. Show Answer Correct Answer: D) DNA, RNA. 50. Which of the following is a pure substance? A) Granite. B) Air. C) Stainless steel. D) Water. Show Answer Correct Answer: D) Water. 51. Which element found in all organic compounds? A) Carbon. B) Calcium. C) Nitrogen. D) None of them. Show Answer Correct Answer: A) Carbon. 52. What is colorimeter? A) Model. B) Process. C) Instrument. D) Nothing. Show Answer Correct Answer: C) Instrument. 53. Which of the following will have a higher electronegativity than arsenic (As)? A) Neon (Ne). B) Carbon (C). C) Germanium (Ge). D) Antimony (Sb). Show Answer Correct Answer: B) Carbon (C). 54. What causes an atom to be charged? A) Gain or loss of electrons. B) Gain or loss of protons. C) Gain or loss of neutrons. D) None of above. Show Answer Correct Answer: A) Gain or loss of electrons. 55. Which of the following is not an element found in large abundance in organisms? A) Carbon. B) Nitrogen. C) Calcium. D) Hydrogen. Show Answer Correct Answer: C) Calcium. 56. Which of the following anions is polyatomic? A) Sulfide. B) Iodide. C) Nitrite. D) Bromide. Show Answer Correct Answer: C) Nitrite. 57. Which of following are storage polysaccharides? A) Starch and glucose. B) Chitin and cellulose. C) Starch and glycogen. D) Chitin and glycogen. Show Answer Correct Answer: C) Starch and glycogen. 58. Which subatomic particle is positive? A) Quark. B) Proton. C) Electron. D) Neutron. Show Answer Correct Answer: B) Proton. 59. The positive particles of an atom are A) Electrons. B) Neutrons. C) Protons. D) Positrons. Show Answer Correct Answer: C) Protons. 60. Which of these shows SI unit prefixes arranged in order from smallest to largest? A) Milli, centi, kilo. B) Kilo, centi, milli. C) Centi, milli, kilo. D) Kilo, milli, centi. Show Answer Correct Answer: A) Milli, centi, kilo. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge 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