This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Determine whether each material below is a pure substance-element, pure substance-compound, a homogeneous mixture, or a heterogeneous mixture.raisin bran cereal A) Pure substance, element. B) Pure substance, compound. C) Homogeneous mixture. D) Heterogeneous mixture. Show Answer Correct Answer: D) Heterogeneous mixture. 2. What is the measurement of matter whose value depends on the force of gravity? A) Mass. B) Volume. C) Energy. D) Weight. Show Answer Correct Answer: D) Weight. 3. The amount of a particular solute in a given amount of solution A) Concentration. B) Solubility. C) Matter. D) Mass. Show Answer Correct Answer: A) Concentration. 4. Which subatomic particle identifies an atom of an element? A) Proton. B) Neutron. C) Electron. D) Nucleus. Show Answer Correct Answer: A) Proton. 5. What are the 6 branches? A) Organic Chemistry, Matter, Basic research, Metalloids, Chemical Symbols and Periods. B) Periods, Groups, Families, Tables, Matter, and Mass. C) Elements, Physical Changes, States, Properties, Reactions, and Mixtures. D) Organic Chemistry, Inorganic chemistry, Physical Chemistry, Analytical Chemistry, Biochemistry, Theoretical Chemistry. Show Answer Correct Answer: D) Organic Chemistry, Inorganic chemistry, Physical Chemistry, Analytical Chemistry, Biochemistry, Theoretical Chemistry. 6. Which of the following are isomers of pentane? I. 2-methylpentaneII. methylbutaneIII. dimethylpropane A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 7. Which is the best example of a heterogenous mixture? A) Sugar. B) Brass. C) Salad. D) Salt water. Show Answer Correct Answer: C) Salad. 8. A chemistry class explores the heart of a frog, What type of science is this? A) Biochemistry. B) Analytical Chemistry. C) Organic Chemistry. D) Theoretical. Show Answer Correct Answer: A) Biochemistry. 9. Substances that are used up during a chemical change are known as: A) Catalysts. B) Precipitates. C) Products. D) Reactants. Show Answer Correct Answer: D) Reactants. 10. A material used to decrease the rate of a chemical reaction is a(n): A) Inhibitor. B) Catalyst. C) Enzyme. D) Fuel. Show Answer Correct Answer: A) Inhibitor. 11. Form of matter that takes the shape of its container and can expand to fill any volume. A) Solid. B) Liquid. C) Gas. D) Volume. Show Answer Correct Answer: C) Gas. 12. Which of the following does not corrode when exposed to the atmosphere- A) Fe. B) Cu. C) Au. D) Ag. Show Answer Correct Answer: C) Au. 13. Which of these is a metallic bond A) Metal + Metal. B) Metal + Non-metal. C) Non-metal + Non-metal. D) None of above. Show Answer Correct Answer: A) Metal + Metal. 14. The atomic number is equal to the number of A) Protons. B) Electrons. C) Neutrons. D) None of above. Show Answer Correct Answer: A) Protons. 15. What is the name of the ester formed when CH3CH2COOH and CH3OH react together? A) Ethyl methanoate. B) Methyl ethanoate. C) Propyl methanoate. D) Methyl propanoate. Show Answer Correct Answer: D) Methyl propanoate. 16. What is the organic product of the reaction between 2-chlorobutane and sodium hydroxide solution? A) Butan-1-ol. B) Butan-2-ol. C) Butanal. D) Butanone. Show Answer Correct Answer: B) Butan-2-ol. 17. Which of the following DOES NOT indicate a chemical change/reaction is occurring? A) Color Change. B) Formation of a Precipitate. C) Formation of gas/bubbles. D) State of matter change. Show Answer Correct Answer: D) State of matter change. 18. Which is an example of a solvent in salt water? A) Salt. B) Air. C) Water. D) There is no solvent. Show Answer Correct Answer: C) Water. 19. The branch of chemistry that would measure the amount of energy given off by an instant hot pack. A) Physical Chemistry. B) Organic Chemistry. C) Biochemistry. D) None of above. Show Answer Correct Answer: A) Physical Chemistry. 20. The measurement of how much mass of a substance is contained in a given volume A) Density. B) Volume. C) Mixture. D) Compound. Show Answer Correct Answer: A) Density. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books