This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 13 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of substance is gold? A) Homogeneous mixture. B) Heterogeneous mixture. C) Compound. D) Element. Show Answer Correct Answer: D) Element. 2. What did James Chadwick discover? A) Neutron. B) Proton. C) Electron. D) Who cares I want to go home!. Show Answer Correct Answer: A) Neutron. 3. Which term does not fit with the others listed? A) Solid. B) Reactant. C) Gas. D) Liquid. Show Answer Correct Answer: B) Reactant. 4. Which compound can exist as stereoisomers? A) CH3CH2CHO. B) CH3CH2COCH3. C) CH3CH(CH3)2. D) CH3CH2CHOHCH3. Show Answer Correct Answer: D) CH3CH2CHOHCH3. 5. Molecules are separated by distances that are large compared with the size of the molecules. A) Gas. B) Solid. C) Liquid. D) None of above. Show Answer Correct Answer: A) Gas. 6. What does the symbol CaCO3 represent? A) An element. B) A compound. C) An atom. D) None of the above. Show Answer Correct Answer: B) A compound. 7. The type of bond that results when electrons are transferred from one atom to another is called ..... A) An ionic bond. B) A covalent bond. C) A hydrogen bond. D) None of above. Show Answer Correct Answer: A) An ionic bond. 8. In chemical reactions, what does the principle of conservation of mass mean? A) Atoms are not created or destroyed. B) The total mass of the reactants is greater than the total mass of the products. C) The total mass of the reactants is less than the total mass of the products. D) Matter is not changed. Show Answer Correct Answer: A) Atoms are not created or destroyed. 9. What is the atomic number of calcium (Ca)? A) 2. B) 14. C) 18. D) 20. Show Answer Correct Answer: D) 20. 10. An electron has what kind of charge? A) No charge. B) Positive. C) Negative. D) It depends. Show Answer Correct Answer: C) Negative. 11. Two or more substances mingled together, but not chemically combined are known as a A) Residue. B) Solution. C) Distillate. D) Mixture. Show Answer Correct Answer: D) Mixture. 12. Which is a nonmetal? A) Li. B) Be. C) Ge. D) Cl. Show Answer Correct Answer: D) Cl. 13. The smallest particle of an element that retains its identity in a chemical reaction. A) Electron. B) Atom. C) Quark. D) Neutrons. Show Answer Correct Answer: B) Atom. 14. A small particle that is the building block of matter A) Mass. B) Matter. C) Element. D) Atom. Show Answer Correct Answer: D) Atom. 15. Number of alpha hydrogen atoms in 2-butene molecule is ..... A) 2. B) 6. C) 4. D) 3. Show Answer Correct Answer: B) 6. 16. ..... ft = 15.0 m A) 50.9. B) 49.2. C) 48.7. D) 158. Show Answer Correct Answer: B) 49.2. 17. A solute that contains polar molecules will dissolve in a solvent that contains A) Nonpolar molecules. B) Polar molecules. C) Covalent molecules. D) Equal-sized molecules. Show Answer Correct Answer: B) Polar molecules. 18. Makes up about 80% of the periodic table, good conductors of heat and electricity, high luster and malleable. A) Nonmetals. B) Metalloids. C) Metals. D) Transition elements. Show Answer Correct Answer: C) Metals. 19. Why do ice cubes float in a glass of water? A) The ice cubes are more dense than the water. B) The water is more dense than the ice cubes. C) The water is more dense than the glass. D) The ice is more dense than the glass. Show Answer Correct Answer: B) The water is more dense than the ice cubes. 20. The branch of chemistry that includes studying the reaction rates of a chemical change. A) Organic chemistry. B) Inorganic chemistry. C) Physical chemistry. D) Analytical chemistry. Show Answer Correct Answer: C) Physical chemistry. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books