This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 36 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Atoms are the basic units of ..... A) Elements. B) Pure substances. C) The atmosphere. D) Matter. Show Answer Correct Answer: D) Matter. 2. If the density of a liquid is 0.80 g/mL, what is its specific gravity? ( at Room Temp.) A) 0.8 ml. B) 0.8 L. C) 0.8. D) 0.8 g/mL. Show Answer Correct Answer: C) 0.8. 3. The amount of space something takes up A) Density. B) Volume. C) Mass. D) Matter. Show Answer Correct Answer: B) Volume. 4. Which of the following are pure substances? A) Elements. B) Colloids. C) Heterogeneous mixture. D) Solutions. Show Answer Correct Answer: A) Elements. 5. The pH of milk is 6.4. Based on this information, which of the following statements best describes milk? A) Very Basic. B) Slightly Basic. C) Very Acidic. D) Slightly Acidic. Show Answer Correct Answer: D) Slightly Acidic. 6. Ernst Rutherford discovered which part of the atom throught the use of gold foil? A) Proton. B) Neutron. C) Electron. D) Orbitals. Show Answer Correct Answer: A) Proton. 7. Silvery grey iron filings (density = 7.87 g/cm3) are added to yellow sulfur powder (density = 1.96 g/cm3) in a test tube. The contents of the test tube were strongly heated until they glowed red without further heating to form a dark grey dull solid (density = 4.84 g/cm3), which cannot be separated by physical means. Which of the following best describes the dark grey, dull solid? A) An element. B) A compound. C) A heterogeneous mixture. D) A homogeneous mixture. Show Answer Correct Answer: B) A compound. 8. A ..... has a definite ratio of components A) Compound. B) Mixture. C) Solvent. D) Solute. Show Answer Correct Answer: A) Compound. 9. In order to survive, the flower sitting on the restaurant table needs water, carbon dioxide, andoxygen. What element do all three ofthese have in common? A) They are all different elements. B) Oxygen. C) Hydrogen. D) Carbon. Show Answer Correct Answer: B) Oxygen. 10. This rule says that the amount of atoms in the reactants is equal to the amount of atoms in the products ..... A) Conservation of Energy. B) E=MC2. C) Conservation of Mass. D) Rule of 8. Show Answer Correct Answer: C) Conservation of Mass. 11. How many protons does the elemental atom of nitrogen contain? A) 4. B) 7. C) 14.0. D) 21. Show Answer Correct Answer: B) 7. 12. What does temperature measure? A) Heat. B) Average kinetic energy. C) Space. D) Time. Show Answer Correct Answer: B) Average kinetic energy. 13. What subatomic particles found in the nucleus have no charge? A) Protons. B) Neutrons. C) Electrons. D) None of above. Show Answer Correct Answer: B) Neutrons. 14. The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms? A) Methane, ethane, propane, butane. B) Ethane, methane, propane, butane. C) Methane, ethane, butane, propane. D) Methane, propane, ethane, butane. Show Answer Correct Answer: A) Methane, ethane, propane, butane. 15. The branch of chemistry that would include testing water to determine how much lead is in it. A) Inorganic Chemistry. B) Organic Chemistry. C) Biochemistry. D) Analytical Chemistry. Show Answer Correct Answer: D) Analytical Chemistry. 16. ..... is the branch of chemistry that would measure the amount of energy released or absorbed in chemical processes. A) Inorganic Chemistry. B) Organic Chemistry. C) Biochemistry. D) Physical Chemistry. Show Answer Correct Answer: D) Physical Chemistry. 17. What is the unit used to measure ozone in the atmosphere? A) Dobson units. B) Pascals. C) Kilometers. D) Degrees Celsius. Show Answer Correct Answer: A) Dobson units. 18. The only element with no neutrons in its nucleus. A) Oxygen. B) Helium. C) Hydrogen. D) Lithium. Show Answer Correct Answer: C) Hydrogen. 19. This causes the mass of the nucleus to increase. A) Adding an electron. B) Adding a neutron. C) More orbitals. D) Adding negatively charged particles. Show Answer Correct Answer: B) Adding a neutron. 20. What is the product of the oxidation of butan-2-ol? A) But-2-ene. B) Butanoic acid. C) Butanal. D) Butanone. Show Answer Correct Answer: D) Butanone. ← 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