This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 12 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Iron nails + copper oxide = A) Iron nails + copper oxide. B) Iron oxide + copper oxide. C) Iron oxide + copper. D) Magic. Show Answer Correct Answer: C) Iron oxide + copper. 2. Molecules are close together but are not held so rigidly in position and can move past one another. A) Gas. B) Solid. C) Liquid. D) None of above. Show Answer Correct Answer: C) Liquid. 3. The branch of chemistry that would study enzymes used in the digestion of food is ..... A) Inorganic Chemistry. B) Biochemistry. C) Physical Chemistry. D) Theoretical chemistry. Show Answer Correct Answer: B) Biochemistry. 4. How are mixtures combined? A) Chemically. B) Electrically. C) Physically. D) Uniform. Show Answer Correct Answer: C) Physically. 5. If the atoms that share electrons have an unequal attraction for the electrons, the bond is called A) Nonpolar. B) Polar. C) Ionic. D) Dipolar. Show Answer Correct Answer: B) Polar. 6. An aluminum pie plate is an example of: A) Mixture of solids. B) Solute. C) Element. D) None of above. Show Answer Correct Answer: C) Element. 7. What type of electrons form bonds? A) Valence Electrons. B) Nucleus Electrons. C) Ionic Electrons. D) Covalent Electrons. Show Answer Correct Answer: A) Valence Electrons. 8. Which of the following is the metallic ion in scandium (II) chloride? A) Sc 2+. B) Sc 2-. C) Cl 2-. D) Cl 2+. Show Answer Correct Answer: A) Sc 2+. 9. Vanadium is different from sodium because it A) Has more than one oxidation number. B) Can conduct electricity. C) Is not a metal. D) None of above. Show Answer Correct Answer: A) Has more than one oxidation number. 10. Air is an example of a(n) A) Element. B) Compound. C) Heterogenous mixture. D) Homogenous mixture. Show Answer Correct Answer: D) Homogenous mixture. 11. Amount of matter that an object contains A) Mass. B) Volume. C) Density. D) Weight. Show Answer Correct Answer: A) Mass. 12. Is anything that has mass and takes up volume. A) Homogeneous. B) Heterogeneous. C) Metric system. D) Matter. Show Answer Correct Answer: D) Matter. 13. A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating? (5.5A) A) Solubility. B) Hardness. C) Density. D) Mass. Show Answer Correct Answer: A) Solubility. 14. Metal T is in Group 1 of the Periodic Table of Elements. Which formula represents the oxide of T A) TO. B) TO2. C) T2O. D) T2O3. Show Answer Correct Answer: C) T2O. 15. Short hand representation for the atom of a specific element A) Element. B) Atom. C) Symbol. D) None of above. Show Answer Correct Answer: C) Symbol. 16. Which is the correct general formula for the alkanes? A) CnH2n+2. B) CnH2n. C) CnH2n+1OH. D) CnH2n+1COOH. Show Answer Correct Answer: A) CnH2n+2. 17. What are the positively charged particles in an atom called? A) Protons. B) Neutrons. C) Electrons. D) Nucleus. Show Answer Correct Answer: A) Protons. 18. What is the chemical formula for sodium sulfate? A) NaSO. B) Na2SO4. C) Na2S2O. D) Na4SO2. Show Answer Correct Answer: B) Na2SO4. 19. This ranges from 0 to 6 on a Ph scale A) Element. B) Base. C) Neutral. D) Acid. Show Answer Correct Answer: D) Acid. 20. Which list has the types of mixtures ordered from largest particle size to smallest? A) Suspension, colloid, and solution. B) Solution, suspension, and colloid. C) Colloid, solution, and suspension. D) Solution, colloid, and suspension. Show Answer Correct Answer: A) Suspension, colloid, and solution. ← 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